1. Department of Social and Behavioral SciencesHarvard T.H. Chan School of Public Health 677 Huntington Avenue Boston MA 02215
2. Department of EpidemiologyMailman School of Public Health, Columbia University 722 West 168th Street New York NY 10032
3. Clinical Pediatrics, Perelman School of Medicine, University of Pennsylvania, Children's Hospital of Philadelphia PA 19104
4. Center for Public Health Initiatives, University of Pennsylvania 3620 Hamilton Walk Philadelphia PA 19104
5. Department of PediatricsChildren's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania 34th Street and Civic Center Boulevard Philadelphia PA 19104
6. Department of Family Medicine and Community HealthPerelman School of Medicine, Center for Public Health Initiatives, University of Pennsylvania Anatomy and Chemistry Building, Room 145, 3620 Hamilton Walk Philadelphia PA 19104