Correction to: Scientometrics (2017) 112:659–677 https://doi.org/10.1007/s11192-017-2379-x

In the original publication, Acknowledgements was published with incomplete information. The complete Acknowledgements is given in this correction.

Acknowledgements The authors wish to express their gratitude to anonymous reviewers for their helpful comments. The authors thank to Dr. Miguel A. García-Pérez for providing Matlab code for two-sided h-index. This helped us to design an algorithm for the EM-index. The authors would like to acknowledge the Ministry of Electronics & Information Technology (MeitY), Government of India, for providing financial assistance for this research work through “Visvesvaraya PhD Scheme for Electronics & IT”.