1. Division of Pediatric Emergency Medicine, Department of Emergency Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York
2. Divisions of Emergency Medicine & Infectious Diseases, Department of Pediatrics, Baylor College of Medicine, Houston, Texas
3. Section of Pediatric Emergency Medicine, Department of Pediatrics, Children’s Hospital Colorado, University of Colorado School of Medicine, Aurora, Colorado
4. New York Institute of Technology College of Osteopathic Medicine, Old Westbury, New York
5. Divisions of Pediatric Gastroenterology and Transplant Hepatology, Department of Pediatrics, Vagelos College of Physicians and Surgeons, Columbia University, New York
6. Touro college of Osteopathic Medicine, New York
7. School of General Studies, Columbia University, New York.