1 Infectious Diseases Data Observatory, Oxford, UK; Centre for Tropical Medicine and Global Health, University of Oxford, Oxford OX3 7FZ, UK. Electronic address: laura.merson@iddo.org.
2 Infectious Diseases Data Observatory, Oxford, UK; Centre for Tropical Medicine and Global Health, University of Oxford, Oxford OX3 7FZ, UK.
3 WorldWide Antimalarial Resistance Network, Cape Town, South Africa; Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa.
4 Fondation Congolaise pour la Recherche Médicale, Campus WHO/AFRO, Brazzaville, Congo; Faculté des Sciences et Techniques, Université Marien Ngouabi, Brazzaville, Congo; Institute for Tropical Medicine, University of Tübingen, Tübingen, Germany.