1. Department of Pediatrics, Medical University of South Carolina, Charleston, SC 29425, USA
2. Department of Pediatrics, University of Missouri, Kansas City, MO 65211, USA
3. Department of Pediatrics, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
4. Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO 80045, USA
5. Department of Pediatrics, Center for Pediatric Obesity Medicine, University of Minnesota Medical School, Minneapolis, MN 55812, USA