Peer Review History
Original SubmissionAugust 14, 2020 |
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PONE-D-20-25356 A recurring outbreak of litchi fruit consumption among children of Muzaffarpur, Bihar PLOS ONE Dear Dr. Sinha, Thank you for submitting your manuscript to PLOS ONE. After careful consideration, we feel that it has merit but does not fully meet PLOS ONE’s publication criteria as it currently stands. Therefore, we invite you to submit a revised version of the manuscript that addresses the points raised during the review process. Please submit your revised manuscript by Nov 12 2020 11:59PM. If you will need more time than this to complete your revisions, please reply to this message or contact the journal office at plosone@plos.org. When you're ready to submit your revision, log on to https://www.editorialmanager.com/pone/ and select the 'Submissions Needing Revision' folder to locate your manuscript file. Please include the following items when submitting your revised manuscript:
If you would like to make changes to your financial disclosure, please include your updated statement in your cover letter. Guidelines for resubmitting your figure files are available below the reviewer comments at the end of this letter. If applicable, we recommend that you deposit your laboratory protocols in protocols.io to enhance the reproducibility of your results. Protocols.io assigns your protocol its own identifier (DOI) so that it can be cited independently in the future. For instructions see: http://journals.plos.org/plosone/s/submission-guidelines#loc-laboratory-protocols We look forward to receiving your revised manuscript. Kind regards, Ratnasekhar Ch, Ph.D. Academic Editor PLOS ONE Journal Requirements: When submitting your revision, we need you to address these additional requirements. 1. Please ensure that your manuscript meets PLOS ONE's style requirements, including those for file naming. The PLOS ONE style templates can be found at https://journals.plos.org/plosone/s/file?id=wjVg/PLOSOne_formatting_sample_main_body.pdf and 2. Thank you for including your ethics statement: "Informed consent was obtained for all the children from their parents and all experiments were conducted under the institutional ethical guidelines by Balaji Utthan Sansthan, Patna, Bihar, India. We confirm that all the experimental protocols and procedures were approved by a Balaji Utthan Sansthan institutional committee, Balaji Utthan Sansthan, Patna, Bihar, India. ". i) Please provide additional details regarding participant consent. In the ethics statement in the Methods and online submission information, please ensure that you have specified what type you obtained (for instance, written or verbal, and if verbal, how it was documented and witnessed). If your study included minors, state whether you obtained consent from parents or guardians. If the need for consent was waived by the ethics committee, please include this information. ii) Once you have amended this/these statement(s) in the Methods section of the manuscript, please add the same text to the “Ethics Statement” field of the submission form (via “Edit Submission”). For additional information about PLOS ONE ethical requirements for human subjects research, please refer to http://journals.plos.org/plosone/s/submission-guidelines#loc-human-subjects-research. 3. We note that Figure [1] in your submission contain [map/satellite] images which may be copyrighted. All PLOS content is published under the Creative Commons Attribution License (CC BY 4.0), which means that the manuscript, images, and Supporting Information files will be freely available online, and any third party is permitted to access, download, copy, distribute, and use these materials in any way, even commercially, with proper attribution. 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We recommend that you contact the original copyright holder with the Content Permission Form (http://journals.plos.org/plosone/s/file?id=7c09/content-permission-form.pdf) and the following text: “I request permission for the open-access journal PLOS ONE to publish XXX under the Creative Commons Attribution License (CCAL) CC BY 4.0 (http://creativecommons.org/licenses/by/4.0/). Please be aware that this license allows unrestricted use and distribution, even commercially, by third parties. Please reply and provide explicit written permission to publish XXX under a CC BY license and complete the attached form.” Please upload the completed Content Permission Form or other proof of granted permissions as an "Other" file with your submission. In the figure caption of the copyrighted figure, please include the following text: “Reprinted from [ref] under a CC BY license, with permission from [name of publisher], original copyright [original copyright year].” 2. If you are unable to obtain permission from the original copyright holder to publish these figures under the CC BY 4.0 license or if the copyright holder’s requirements are incompatible with the CC BY 4.0 license, please either i) remove the figure or ii) supply a replacement figure that complies with the CC BY 4.0 license. Please check copyright information on all replacement figures and update the figure caption with source information. If applicable, please specify in the figure caption text when a figure is similar but not identical to the original image and is therefore for illustrative purposes only. The following resources for replacing copyrighted map figures may be helpful: USGS National Map Viewer (public domain): http://viewer.nationalmap.gov/viewer/ The Gateway to Astronaut Photography of Earth (public domain): http://eol.jsc.nasa.gov/sseop/clickmap/ Maps at the CIA (public domain): https://www.cia.gov/library/publications/the-world-factbook/index.html and https://www.cia.gov/library/publications/cia-maps-publications/index.html NASA Earth Observatory (public domain): http://earthobservatory.nasa.gov/ Landsat: http://landsat.visibleearth.nasa.gov/ USGS EROS (Earth Resources Observatory and Science (EROS) Center) (public domain): http://eros.usgs.gov/# Natural Earth (public domain): http://www.naturalearthdata.com/ 4. Please upload a new copy of Figures 2 and 3 as the detail is not clear. Please follow the link for more information: https://blogs.plos.org/plos/2019/06/looking-good-tips-for-creating-your-plos-figures-graphics/" https://blogs.plos.org/plos/2019/06/looking-good-tips-for-creating-your-plos-figures-graphics/ [Note: HTML markup is below. Please do not edit.] Reviewers' comments: Reviewer's Responses to Questions Comments to the Author 1. Is the manuscript technically sound, and do the data support the conclusions? The manuscript must describe a technically sound piece of scientific research with data that supports the conclusions. Experiments must have been conducted rigorously, with appropriate controls, replication, and sample sizes. The conclusions must be drawn appropriately based on the data presented. Reviewer #1: Partly Reviewer #2: Yes Reviewer #3: Yes ********** 2. Has the statistical analysis been performed appropriately and rigorously? Reviewer #1: No Reviewer #2: Yes Reviewer #3: Yes ********** 3. Have the authors made all data underlying the findings in their manuscript fully available? The PLOS Data policy requires authors to make all data underlying the findings described in their manuscript fully available without restriction, with rare exception (please refer to the Data Availability Statement in the manuscript PDF file). The data should be provided as part of the manuscript or its supporting information, or deposited to a public repository. For example, in addition to summary statistics, the data points behind means, medians and variance measures should be available. If there are restrictions on publicly sharing data—e.g. participant privacy or use of data from a third party—those must be specified. Reviewer #1: Yes Reviewer #2: Yes Reviewer #3: Yes ********** 4. Is the manuscript presented in an intelligible fashion and written in standard English? PLOS ONE does not copyedit accepted manuscripts, so the language in submitted articles must be clear, correct, and unambiguous. Any typographical or grammatical errors should be corrected at revision, so please note any specific errors here. Reviewer #1: No Reviewer #2: Yes Reviewer #3: Yes ********** 5. Review Comments to the Author Please use the space provided to explain your answers to the questions above. You may also include additional comments for the author, including concerns about dual publication, research ethics, or publication ethics. (Please upload your review as an attachment if it exceeds 20,000 characters) Reviewer #1: The work in the manuscript entitled, “recurring outbreak of Litchi fruit consumption among children of Muzaffarpur, Bihar” is very interesting and have high significance. However, the manuscript is not written and presented well as per the standard of the journal. Further, the work in the manuscript lack scientific novelty as a lot of work for the analysis of methylenecyclopropyl-glycine (MCPG) and pesticides have already been published in last few years. I, therefore, wouldn’t like to recommend this manuscript for the publication PLOS ONE in its present form. Some comments to improve the quality of the manuscript are as follows: • The English language and grammar are very poor throughout the manuscript. • There are a lot of sentences in the introduction which are not properly cited. • The content of the introduction section should be improved focusing more on MCPG and pesticide toxicity. • The author should increase the sample size of the urine and plasma samples for this study which can be statistically significant. • Section 2.6, 2.8 and 2.9 can be merged. • The urine and plasma samples were not subjected for protein precipitation prior extraction. Any explanation? • The quality of all the images provided are very poor. please improve. Reviewer #2: Sinha and colleagues have discussed the mysterious outbreak of Muzaffarpur, Bihar in a sophisticated and chronological order. The paper has been well written and well organized. The introduction and background are reasonable and setting up premises for the paper. This paper concluded that MCPG (methylene cyclopropyl-glycine) and organophosphorus pesticides were the probable culprit of the encephalitis related death in children of Muzaffarpur. While the observations are interesting and potentially useful, I find the paper needs some minor revisions to make it more appealing to the general audience. 1-There are numerous grammatical and typo errors, and the explanations are not clear in some places. For example, in the first paragraph of the introduction “In India, a total of 68.49 metric tons were produced, and 25.40 metric tons were imported in 2012-2013” this sentence is for litchi production or pesticide consumption it is not clear. 2-In the second paragraph of the introduction the author has mentioned the first outbreak year as 2012 instead of 2011 which is not matching what has mentioned in the abstract. 3-In the third paragraph of the introduction, the first line of the paragraph “plant extracte” should be replaced with “plant extract”. 4-In the fourth paragraph of the introduction the full name of KDKM medical clinic and SKMCH hospital should be mentioned. 5-In the fifth paragraph, the seventh line “The sex proportion was seen as 1.2:1 male to female”. It is not clear for which place this data has been mentioned. In the 8th line, reference 14 is not in a proper format. 6-In the material method section, Acetyl-cholinesterase estimation, the author should mention the full name of SLK diagnostics 7-In the material method section, under the subheading “Mass spectrometer instrument control by the analyst program” the last line “Precursor ions……………. confirmation” is not clear and hard to understand. 8-In the result section, in the second paragraph “ac-(methyl cyclopropyl) glycine” should be replaced with “α-methyl cyclopropyl glycines”. 9-In the result section, under the subheading “Isolation of MCPG”, the author should clearly define the respective Rf values for each sample. 10-In the discussion section, in the first paragraph and second-line “ Analysis……………..critically” should be rewritten. 11-In the fourth paragraph of the discussion “toxics” should be replaced with “toxins”. Reviewer #3: Sinha et al has reported the work titled “A recurring outbreak of litchi fruit consumption among children of Muzaffarpur, Bihar”. Authors have tried to identify toxic compounds in fruit litchi and in urine samples obtained from children. Authors found MCPG in litchi samples and identified DEP in urine samples. In addition to these, they performed acetylcholinesterase biochemical assays. The present report is important study as litchi outbreak occurs every year in Bihar due to its consumption. 1. MCPG is a well reported metabolite in litchi. I was just wondering if authors found any other toxic compounds in the litchi fruit. 2. Did authors find any OP pesticides in litchi fruit? If yes what are they? 3. I would suggest quantifying the MCPG in the litchi samples and quantify DEP in urine samples. ********** 6. PLOS authors have the option to publish the peer review history of their article (what does this mean?). If published, this will include your full peer review and any attached files. If you choose “no”, your identity will remain anonymous but your review may still be made public. Do you want your identity to be public for this peer review? For information about this choice, including consent withdrawal, please see our Privacy Policy. Reviewer #1: No Reviewer #2: Yes: Nagendra Rai Reviewer #3: Yes: Ashish Dwivedi, Scientist, CSIR-IITR, Lucknow [NOTE: If reviewer comments were submitted as an attachment file, they will be attached to this email and accessible via the submission site. Please log into your account, locate the manuscript record, and check for the action link "View Attachments". If this link does not appear, there are no attachment files.] While revising your submission, please upload your figure files to the Preflight Analysis and Conversion Engine (PACE) digital diagnostic tool, https://pacev2.apexcovantage.com/. PACE helps ensure that figures meet PLOS requirements. To use PACE, you must first register as a user. Registration is free. Then, login and navigate to the UPLOAD tab, where you will find detailed instructions on how to use the tool. If you encounter any issues or have any questions when using PACE, please email PLOS at figures@plos.org. Please note that Supporting Information files do not need this step.
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Revision 1 |
PONE-D-20-25356R1 A recurring disease outbreak of Litchi fruit consumption among children of Muzaffarpur, Bihar - A comprehensive investigation on factors of toxicity PLOS ONE Dear Dr. Sinha, Thank you for submitting your manuscript to PLOS ONE. After careful consideration, we feel that it has merit but does not fully meet PLOS ONE’s publication criteria as it currently stands. Therefore, we invite you to submit a revised version of the manuscript that addresses the points raised during the review process. ============================== Please 1) Improve the english of the manuscript 2) Explain how the present study findings are informative than previously published results 3) Improve the quality of images ============================== Please submit your revised manuscript by Jan 07 2021 11:59PM. If you will need more time than this to complete your revisions, please reply to this message or contact the journal office at plosone@plos.org. When you're ready to submit your revision, log on to https://www.editorialmanager.com/pone/ and select the 'Submissions Needing Revision' folder to locate your manuscript file. Please include the following items when submitting your revised manuscript:
If you would like to make changes to your financial disclosure, please include your updated statement in your cover letter. Guidelines for resubmitting your figure files are available below the reviewer comments at the end of this letter. If applicable, we recommend that you deposit your laboratory protocols in protocols.io to enhance the reproducibility of your results. Protocols.io assigns your protocol its own identifier (DOI) so that it can be cited independently in the future. For instructions see: http://journals.plos.org/plosone/s/submission-guidelines#loc-laboratory-protocols We look forward to receiving your revised manuscript. Kind regards, Ch Ratnasekhar, Ph.D. Academic Editor PLOS ONE [Note: HTML markup is below. Please do not edit.] Reviewers' comments: Reviewer's Responses to Questions Comments to the Author 1. If the authors have adequately addressed your comments raised in a previous round of review and you feel that this manuscript is now acceptable for publication, you may indicate that here to bypass the “Comments to the Author” section, enter your conflict of interest statement in the “Confidential to Editor” section, and submit your "Accept" recommendation. Reviewer #1: All comments have been addressed ********** 2. Is the manuscript technically sound, and do the data support the conclusions? The manuscript must describe a technically sound piece of scientific research with data that supports the conclusions. Experiments must have been conducted rigorously, with appropriate controls, replication, and sample sizes. The conclusions must be drawn appropriately based on the data presented. Reviewer #1: Partly ********** 3. Has the statistical analysis been performed appropriately and rigorously? Reviewer #1: No ********** 4. Have the authors made all data underlying the findings in their manuscript fully available? The PLOS Data policy requires authors to make all data underlying the findings described in their manuscript fully available without restriction, with rare exception (please refer to the Data Availability Statement in the manuscript PDF file). The data should be provided as part of the manuscript or its supporting information, or deposited to a public repository. For example, in addition to summary statistics, the data points behind means, medians and variance measures should be available. If there are restrictions on publicly sharing data—e.g. participant privacy or use of data from a third party—those must be specified. Reviewer #1: Yes ********** 5. Is the manuscript presented in an intelligible fashion and written in standard English? PLOS ONE does not copyedit accepted manuscripts, so the language in submitted articles must be clear, correct, and unambiguous. Any typographical or grammatical errors should be corrected at revision, so please note any specific errors here. Reviewer #1: Yes ********** 6. Review Comments to the Author Please use the space provided to explain your answers to the questions above. You may also include additional comments for the author, including concerns about dual publication, research ethics, or publication ethics. (Please upload your review as an attachment if it exceeds 20,000 characters) Reviewer #1: The revised manuscript entitled "A recurring disease outbreak of Litchi fruit consumption among children of Muzaffarpur, Bihar - A comprehensive investigation on factors of toxicity" submitted has been improved very much from the earlier submission. The maximum comments raised have been addressed apart from the language is still not satisfactory along with the quality of images submitted to journal is very poor. ********** 7. PLOS authors have the option to publish the peer review history of their article (what does this mean?). If published, this will include your full peer review and any attached files. If you choose “no”, your identity will remain anonymous but your review may still be made public. Do you want your identity to be public for this peer review? For information about this choice, including consent withdrawal, please see our Privacy Policy. Reviewer #1: No [NOTE: If reviewer comments were submitted as an attachment file, they will be attached to this email and accessible via the submission site. Please log into your account, locate the manuscript record, and check for the action link "View Attachments". If this link does not appear, there are no attachment files.] While revising your submission, please upload your figure files to the Preflight Analysis and Conversion Engine (PACE) digital diagnostic tool, https://pacev2.apexcovantage.com/. PACE helps ensure that figures meet PLOS requirements. To use PACE, you must first register as a user. Registration is free. Then, login and navigate to the UPLOAD tab, where you will find detailed instructions on how to use the tool. If you encounter any issues or have any questions when using PACE, please email PLOS at figures@plos.org. Please note that Supporting Information files do not need this step. |
Revision 2 |
A recurring disease outbreak following litchi fruit consumption among children in Muzaffarpur, Bihar - A comprehensive investigation on factors of toxicity PONE-D-20-25356R2 Dear Dr. Sinha, We’re pleased to inform you that your manuscript has been judged scientifically suitable for publication and will be formally accepted for publication once it meets all outstanding technical requirements. Within one week, you’ll receive an e-mail detailing the required amendments. When these have been addressed, you’ll receive a formal acceptance letter and your manuscript will be scheduled for publication. An invoice for payment will follow shortly after the formal acceptance. To ensure an efficient process, please log into Editorial Manager at http://www.editorialmanager.com/pone/, click the 'Update My Information' link at the top of the page, and double check that your user information is up-to-date. If you have any billing related questions, please contact our Author Billing department directly at authorbilling@plos.org. If your institution or institutions have a press office, please notify them about your upcoming paper to help maximize its impact. If they’ll be preparing press materials, please inform our press team as soon as possible -- no later than 48 hours after receiving the formal acceptance. Your manuscript will remain under strict press embargo until 2 pm Eastern Time on the date of publication. For more information, please contact onepress@plos.org. Kind regards, Ch Ratnasekhar, Ph.D. Academic Editor PLOS ONE Additional Editor Comments (optional): Reviewers' comments: |
Formally Accepted |
PONE-D-20-25356R2 A recurring disease outbreak following litchi fruit consumption among children in Muzaffarpur, Bihar - A comprehensive investigation on factors of toxicity Dear Dr. Sinha: I'm pleased to inform you that your manuscript has been deemed suitable for publication in PLOS ONE. Congratulations! Your manuscript is now with our production department. If your institution or institutions have a press office, please let them know about your upcoming paper now to help maximize its impact. If they'll be preparing press materials, please inform our press team within the next 48 hours. Your manuscript will remain under strict press embargo until 2 pm Eastern Time on the date of publication. For more information please contact onepress@plos.org. If we can help with anything else, please email us at plosone@plos.org. Thank you for submitting your work to PLOS ONE and supporting open access. Kind regards, PLOS ONE Editorial Office Staff on behalf of Dr. Ch Ratnasekhar Academic Editor PLOS ONE |
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