1. Barcelona Centre for International Health Research (CRESIB); Hospital Clinic-University of Barcelona; Barcelona Spain
2. Manhiça Health Research Centre (CISM); Maputo Mozambique
3. CIBER Epidemiology and Public Health (CIBERESP); Barcelona Spain
4. Department of Oncology; University of Torino; Torino Italy
5. Programa de Medicina; Departamento de Ciencias Clínicas; Universidad del Tolima; Ibague Colombia