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Additional Information

Competing Interests

Co-author J. Jaime Miranda is an Academic Editor for PeerJ.

Author Contributions

Rodrigo M. Carrillo-Larco conceived and designed the experiments, analyzed the data, wrote the paper.

Antonio Bernabé-Ortiz conceived and designed the experiments, analyzed the data, wrote the paper.

J. Jaime Miranda wrote the paper.

Jorge Rey de Castro wrote the paper.

Funding

RMC-L, AB-O, JJM and the CRONICAS Center of Excellence in Chronic Diseases were supported by the National Heart, Lung, and Blood Institute Global Health Initiative under the contract Global Health Activities in Developing Countries to Combat Non-Communicable Chronic Diseases (Contract 268200900033C). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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