1. Texas Policy Evaluation Project, University of Texas at Austin, Austin, Texas, USA
2. Population Research Center, University of Texas at Austin, Austin, Texas, USA
3. Cátedras CONACYT – National Institute of Public Health, Ciudad de México, Mexico
4. College of Nursing, University of Colorado Denver, Aurora, Colorado, USA
5. Department of Sociology, University of Colorado Boulder, Boulder, Colorado, USA
6. Health Care Organization and Policy, University of Alabama at Birmingham, Birmingham, Alabama, USA
7. Advancing New Standards in Reproductive Health, University of California San Francisco, Oakland, California, USA