1. Department of Emergency Medicine, Emory University School of Medicine, Atlanta, GA, U.S.A
2. Division of Pediatric Gastroenterology, Monroe Carell Jr. Children’s Hospital at Vanderbilt, Nashville, TN, U.S.A
3. Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, U.S.A
4. Department of Radiology and Radiologic Sciences, Vanderbilt University Medical Center, Nashville, TN, U.S.A
5. Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, U.S.A
6. Division of Pediatric Emergency Medicine, Monroe Carell Jr. Children’s Hospital at Vanderbilt, Nashville, TN, U.S.A
7. TN Poison Center, Vanderbilt University Medical Center, Nashville, TN, U.S.A