1. Department of Epidemiology; University of Pittsburgh Graduate School of Public Health; Pittsburgh PA USA
2. School of Community Health; Portland State University; Portland OR USA
3. Department of Psychiatry; University of Pittsburgh School of Medicine; Pittsburgh PA USA
4. Division of Weight Management and Wellness; Children's Hospital of Pittsburgh; University of Pittsburgh Medical Center; Pittsburgh PA USA
5. Department of Obstetrics, Gynecology and Reproductive Sciences; University of Pittsburgh School of Medicine; Pittsburgh PA USA