About the Authors
- Armando Arredondo
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* E-mail: armando.arredondo@insp.mx
Affiliation Research Center on Health System, National Institute of Public Health, Cuernavaca, Morelos, México
- Gabriela Reyes
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Affiliation Research Center on Health System, National Institute of Public Health, Cuernavaca, Morelos, México
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: AA. Performed the experiments: AA. Analyzed the data: AA GR. Wrote the paper: AA. Contributed to the writing of the manuscript: AA GR. ICMJE criteria for authorship read and met: AA GR. Agree with manuscript results and conclusions: AA GR.