Authors: Adam Penn‐Nicholson, Michèle Tameris, Erica Smit, Tracey A. Day, Munyaradzi Musvosvi, Lakshmi Jayashankar, Julie Vergara, Simbarashe Mabwe, Nicole Bilek, Hendrik Geldenhuys, Angelique Kany Kany Luabeya, Ruth D. Ellis, Ann M. Ginsberg, Willem A. Hanekom, Steven G. Reed, Rhea N. Coler, Thomas J. Scriba, Mark Hatherill - The Lancet 2018 cited by 149