About the Authors

Antonio Bernabe-Ortiz

Affiliations CRONICAS Center of Excellence in Chronic Diseases, Universidad Peruana Cayetano Heredia, Lima, Peru, Epidemiology Unit, School of Public Health and Administration, Universidad Peruana Cayetano Heredia, Lima, Peru

Catherine Pastorius Benziger

Affiliations CRONICAS Center of Excellence in Chronic Diseases, Universidad Peruana Cayetano Heredia, Lima, Peru, University of Minnesota Medical School, Minneapolis, Minnesota, United States of America

Robert H. Gilman

Affiliations CRONICAS Center of Excellence in Chronic Diseases, Universidad Peruana Cayetano Heredia, Lima, Peru, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America, Área de Investigación y Desarrollo, A.B. PRISMA, Lima, Peru

Liam Smeeth

Affiliations CRONICAS Center of Excellence in Chronic Diseases, Universidad Peruana Cayetano Heredia, Lima, Peru, Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom

J. Jaime Miranda

Jaime.Miranda@upch.pe

Affiliations CRONICAS Center of Excellence in Chronic Diseases, Universidad Peruana Cayetano Heredia, Lima, Peru, Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom, Department of Medicine, School of Medicine, Universidad Peruana Cayetano Heredia, Lima, Peru

Competing Interests

J. Jaime Miranda is a PLoS ONE Editorial Board member. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: AB-O CPB JJM. Performed the experiments: AB-O CPB JJM. Analyzed the data: AB-O CPB. Contributed reagents/materials/analysis tools: RHG LS JJM. Wrote the paper: AB-O CPB JJM. Conceived, designed and supervised the overall project: RHG LS JJM. Revised the manuscript for important intellectual content: AB-O RHG LS JJM. Gave final approval of the version submitted for publication: AB-O CPB RHG LS JJM.