1. Department of Obstetrics and Gynecology Oregon Health and Science University (OHSU) Portland OR USA
2. OHSU‐Portland State University School of Public Health Portland OR USA
3. Centro de Investigacion en Salud Poblacional Instituto Nacional de Salud Publica Cuernavaca Mexico
4. Centro de Investigación en Sistemas de Salud Instituto Nacional de Salud Publica Cuernavaca Mexico
5. Department of Biomedical Engineering University of Utah Salt Lake City UT USA
6. Centro de Investigacion y Docencia Economicas (CIDE) Mexico City Mexico
7. Independent Consultant Mexico City Mexico