. 2016 Oct 8;388(10053):1813–1850. doi: 10.1016/S0140-6736(16)31467-2
© 2016 The Authors(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY license
This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).