1. Behavioral Medicine and Clinical Psychology Cincinnati Children's Hospital Medical Center Cincinnati Ohio USA
2. Department of Psychiatry and Human Behavior Warren Alpert Medical School Brown University and Weight Control and Diabetes Research Center The Miriam Hospital Providence Rhode Island USA
3. Department of Psychiatry University of Pittsburgh Pittsburgh Pennsylvania USA
4. Department of Clinical Neuroscience School of Medicine and Health Sciences University of North Dakota Grand Forks North Dakota USA
5. Division of Pediatric General and Thoracic Surgery Cincinnati Children's Hospital Medical Center Cincinnati Ohio USA
6. Department of Surgery University of Colorado Anschutz Medical Campus and Children's Hospital Colorado Aurora Colorado USA
7. Pediatric Surgery Nationwide Children's Hospital Columbus Ohio USA