About the Authors
Combined Internal Medicine/Pediatrics Residency Program, Yale School of Medicine, New Haven, Connecticut, United States of America
CEADES Salud y Medio Ambiente, Universidad Mayor de San Simon, Cochabamba, Bolivia
Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, United States of America
Hospital Dr. Manuel Ascencio Villarroel de Punata, Punata, Bolivia
Division of Epidemiology and Biostatistics, University of California San Francisco School of Medicine, San Francisco, California, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JAT DFLB RHG MASM FT CB. Performed the experiments: JAT MC MASM WS. Analyzed the data: JAT DFLB RHG MC MASM CB. Contributed reagents/materials/analysis tools: DFLB RHG MC MASM WS FT. Wrote the paper: JAT DFLB RHG FT CB.