About the Authors

Armando Arredondo

armando.arredondo@insp.mx

Affiliation Research Center on Health System, National Institute of Public Health, Cuernavaca, Morelos, México

Gabriela Reyes

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.