1. Department of Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
2. Department of Radiology, University of Cincinnati College of Medicine, Cincinnati, OH
3. Department of Pediatric Surgery and Thoracic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
4. Department of Surgery, University of Cincinnati College of Medicine, Cincinnati, OH
5. Division of Emergency Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
6. Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH