1 Department of Pediatrics, University Teaching Hospital of Kigali, Kigali, Rwanda; School of Medicine, Yale University, New Haven, USA; Rwanda Human Resources for Health (HRH) Program, Kigali Rwanda.
2 College of medicine and health sciences (CMHS), University of Rwanda, Kigali, Rwanda.
3 Rwanda Military Hospital, Kigali, Rwanda.
4 ISGlobal, Hospital Clínic - Universitat de Barcelona, Barcelona, Spain; Centro de Investigação em Saúde de Manhiça (CISM), Maputo, Mozambique.
5 ICREA, Pg. Lluís Companys 23, Barcelona, Spain.
6 Pediatric Infectious Diseases Unit, Pediatrics Department, Hospital Sant Joan de Déu (University of Barcelona), Barcelona, Spain.
7 Consorcio de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain.