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Scientific Reports 7: Article number: 44808; 10.1038/srep44808 published online: April 07 2017; updated: April 06 2018.
In this Article, Abhijit Sen and Lars J. Vatten are incorrectly listed with ‘Department of Epidemiology and Biostatistics, Imperial College, London, UK’. The correct affiliation for these authors is listed below:
Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway.
