1. Department of Obstetrics & Gynecology University of Colorado School of Medicine Aurora Colorado
2. Fundacion Integral por la Salud de los Guatemaltecos Center for Human Development Coatepeque Guatemala
3. Facultdad de Medicina Universidad Fransisco Marroquin Guatemala City Guatemala
4. Adult and Child Consortium for Health Outcomes Research and Delivery Science University of Colorado Anschutz Medical Campus Aurora Colorado
5. Department of Epidemiology University of Colorado School of Public Health Aurora Colorado
6. Department of Pediatrics University of Colorado School of Medicine Aurora Colorado
7. Department of Obstetrics & Gynecology Denver Health Denver Colorado
8. MPH Department of Obstetrics & Gynecology University of Colorado School of Medicine Aurora Colorado