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1Academic Journal
Authors: van der Merwe, André, Graewe, Frank, Zühlke, Alexander, Barsdorf, Nicola W, Zarrabi, Amir D, Viljoen, Jeremy T, Ackermann, Hilgard, Spies, Pieter V, Opondo, Dedan, Al-Qaoud, Talal, Bezuidenhout, Karla, Nel, Johan D, Bailey, Bertha, Moosa, M Rafique
Source: In The Lancet 9-15 September 2017 390(10099):1038-1047