The LancetVolume 387, Issue 10026, 2–8 April 2016, Page e24Department of ErrorDepartment of ErrorAuthor links open overlay panelShow moreShareCitehttps://doi.org/10.1016/S0140-6736(15)01347-1Previous article in issueNext article in issueRecommended articlesCited by (0)View AbstractCopyright © 2016 Elsevier Ltd. All rights reserved.