1. CRONICAS Center 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. Department of International Health, Bloomberg School of Public Health Johns Hopkins University Baltimore Maryland USA
4. Faculty of Epidemiology and Population Health London School of Hygiene and Tropical Medicine London UK
5. Division of Pulmonary and Critical Care, School of Medicine Johns Hopkins University Baltimore Maryland USA
6. Department of Medicine, School of Medicine Universidad Peruana Cayetano Heredia Lima Peru