Scientific Reports 6: Article number: 18803; published online: 25 January 2016; updated: 22 May 2018

The Acknowledgements section in this Article is incomplete.

“The authors acknowledge funding from the Italian Ministry of Education, University and Research (MIUR) through the project “The global virtual-water network: social, economic, and environmental implications” (FIRB - RBFR12BA3Y).”

should read:

“The authors acknowledge funding from the Italian Ministry of Education, University and Research (MIUR) through the project “The global virtual-water network: social, economic, and environmental implications” (FIRB - RBFR12BA3Y). Funding from the European Research Council (ERC) is also acknowledged (CWASI Project, grant #647473).”