Weigel Ralf, Krüger Carsten, Wirth Stefan
Witten/Herdecke University, Witten, 58448, Germany.
German Society of Tropical Paediatrics and International Child Health, Ahlen, Germany.
Lancet. 2018 Feb 17;391(10121):657-658. doi: 10.1016/S0140-6736(18)30250-2.