1. Division of Pulmonary and Critical Care, School of Medicine, Johns Hopkins University, Baltimore, MD
2. Pritzker School of Medicine, University of Chicago, Chicago, IL
3. Program in Global Disease Epidemiology and Control, Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD
4. CRONICAS Center of Excellence in Chronic Diseases, Universidad Peruana Cayetano Heredia, Lima, Peru
5. Departamento de Medicina, Escuela de Medicina, Universidad Peruana Cayetano Heredia, Lima, Peru