1. Division of Pulmonary and Critical Care; School of Medicine; Johns Hopkins University; Baltimore MD USA
2. Program in Disease Control and Epidemiology; Bloomberg School of Public Health; Johns Hopkins University; Baltimore MD USA
3. A.B. PRISMA; Lima Peru
4. Division of Endocrinology; Department of Medicine; Hospital Nacional Cayetano Heredia; Lima Peru
5. Department of Medicine; School of Medicine; Universidad Peruana Cayetano Heredia; Lima Peru
6. CRONICAS Center of Excellence in Chronic Diseases; Universidad Peruana Cayetano Heredia; Lima Peru