1. Department of Pediatrics, Wake Forest University School of Medicine, Winston-Salem, NC.
2. Brenner FIT (Families In Training) Program, Brenner Children's Hospital, North Carolina Baptist Hospital, Winston-Salem, NC.
3. Department of Epidemiology and Prevention, Wake Forest University School of Medicine, Winston-Salem, NC.
4. Department of Biostatistical Sciences, Wake Forest University School of Medicine, Winston-Salem, NC.
5. Department of Social Sciences and Health Policy, Division of Public Health Sciences, Wake Forest University School of Medicine, Winston-Salem, NC.