1. Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA
2. Center for Global Non-Communicable Disease Research and Training, Johns Hopkins University, Baltimore, Maryland, USA
3. Division of Pulmonary and Critical Care, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
4. Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
5. Environmental Health Science Department, College of Public Health, University of Georgia, Athens, Georgia, USA
6. Program in Global Disease Epidemiology and Control, Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA
7. Laboratories of Investigation and Development, Department of Biological and Physiological Sciences, Faculty of Sciences and Philosophy, Universidad Peruana Cayetano Heredia, Lima, Perú
8. High Altitude Research Institute, Universidad Peruana Cayetano Heredia, Lima, Perú
9. Biomedical Research Unit, Asociación Benéfica PRISMA, Lima, Perú
10. RTI International, Durham, North Carolina, USA