1. UT Austin Pediatric Emergency Medicine Fellowship, Dell Children’s Medical Center, 4900 Mueller Boulevard, Austin, TX 78723, USA
2. Department of Surgery, Medical University of South Carolina, 96 Jonathan Lucas Street, Charleston, SC 29425, USA
3. Division of General Surgery, San Francisco General Hospital, Campus Box 0807, San Francisco, CA 94143-0807, USA
4. Department of Anesthesia and Critical Care Medicine, San Francisco General Hospital, 1001 Potrero Avenue, SFGH 5, San Francisco, CA 94110, USA