University of Basel, Ifakara Health Institute, University of Basel, University of Basel, University of Basel, University of Basel - Swiss Tropical and Public Health Institute, King George’s Medical University, Ifakara Health Institute, University of Basel - Swiss Tropical and Public Health Institute, King George’s Medical University, University of Basel, Ifakara Health Institute, University of Basel, Ifakara Health Institute, Ifakara Health Institute, Muhimbili National Hospital, University of Basel, King George's Medical University, University of Basel, PATH, PATH, University of Waterloo, Ifakara Health Institute, Ifakara Health Institute, Ifakara Health Institute, PATH, Ifakara Health Institute, PATH, University of Basel - Swiss Tropical and Public Health Institute, PATH, University of Basel - Swiss Tropical and Public Health Institute, PATH, PATH, PATH, King George's Medical University, University of Lausanne - Center for Primary Care and Public Health, Ifakara Health Institute, King George's Medical University - Department of Pediatrics, University of Basel and Independent