About the Authors

Violeta Chacon

Roles Conceptualization, Formal analysis, Writing – original draft

Affiliation Cardiovascular Surgery Unit of Guatemala, Guatemala City, Guatemala

Guillermo Paraje

Roles Conceptualization, Formal analysis, Supervision, Writing – review & editing

Affiliations Universidad Adolfo Ibáñez, Santiago, Chile, American Cancer Society, Atlanta, Georgia, United States of America

Joaquin Barnoya

Roles Conceptualization, Supervision, Writing – review & editing

barnoyaj@wustl.edu

Affiliations Cardiovascular Surgery Unit of Guatemala, Guatemala City, Guatemala, Washington University in St. Louis, St. Louis, Missouri, United States of America

Frank J. Chaloupka

Roles Conceptualization, Supervision, Writing – review & editing

Affiliation Institute for Health Research and Policy, University of Illinois at Chicago, Chicago, Illinois, United States of America

Competing Interests

The authors have received funding from The Task Force for Global Health, Inc., TEPHINET. This does not alter the authors’ adherence to PLOS ONE policies on sharing data and materials.