1. University of California, San Diego (UCSD), La Jolla, CA, USA
2. Children’s Hospital of Pittsburgh of UPMC, Pittsburgh, PA, USA
3. University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
4. Society and Health Research Center, CISS, Universidad Mayor, Santiago, Chile
5. U.S.-Mexico Border Health Commission, Tijuana, Baja California, Mexico
6. Mexican Ministry of Health (ISESALUD), Tijuana, Baja California, Mexico