1. CRONICAS Centre of Excellence in Chronic Diseases; Universidad Peruana Cayetano Heredia; Lima Peru
2. Department of Epidemiology and Biostatistics; School of Public Health; Imperial College London; London UK
3. School of Medicine; Faculty of Health Sciences; Universidad Peruana de Ciencias Aplicadas - UPC; Lima Peru
4. Faculty of Epidemiology and Population Health; London School of Hygiene and Tropical Medicine; London UK