1. Division of Pulmonary and Critical Care School of Medicine Johns Hopkins University Baltimore MD USA
2. Cardiovascular Division Cardiovascular Imaging and Clinical Research Core Laboratory Washington University School of Medicine St. Louis MO USA
3. Program in Global Disease Epidemiology and Control Department of International Health Bloomberg School of Public Health Johns Hopkins University Baltimore MD USA
4. CRONICAS Center of Excellence for Chronic Diseases Universidad Peruana Cayetano Heredia Lima Peru
5. Department of Medicine School of Medicine Universidad Peruana Cayetano Heredia Lima Peru