1. Division of Pediatric Surgery; Department of Surgery; Oregon Health & Science University; Portland OR USA
2. Department of Anesthesiology & Critical Care Medicine; The Children's Hospital of Philadelphia; University of Pennsylvania; Philadelphia PA USA
3. Department of Anesthesiology, Critical Care, and Pain Medicine; Boston Children's Hospital; Harvard Medical School; Boston MA USA
4. Division of Pediatric Surgery; Duke University; Durham NC USA
5. Department of Pediatric Surgery; Children's Mercy Hospital; Kansas City MO USA
6. Division of Pediatric Surgery; University of Illinois College of Medicine at Peoria; Peoria IL USA
7. Division of Pediatric Surgery; University of California; Los Angeles CA USA
8. Department of Anesthesia; Vanderbilt Children's Hospital; Vanderbilt University; Nashville TN USA
9. Division of Pediatric Surgery; Seattle Children's Hospital; Seattle WA USA
10. Department of Anesthesiology and Pediatrics; Kijabe Hospital; Kijabe Kenya
11. Department of Pediatric Surgery; Nationwide Children's Hospital; Columbus OH USA
12. Department of Pediatric Surgery; Vanderbilt University; Nashville TN USA
13. Section of Pediatric Surgery; Yale University; New Haven CT USA
14. Department of Anesthesiology; University of Virginia Health System; Charlottesville VA USA
15. Division of Pediatric Surgery; Children's Hospital of Buffalo; Buffalo NY USA
16. Division of Pediatric Surgery; University of Texas at Austin; Austin TX USA
17. Department of Anesthesiology, Perioperative and Pain Medicine; Stanford University School of Medicine; Pal Alto CA USA
18. Department of Anesthesia and Perioperative Care; University of California San Francisco; San Francisco CA USA
19. Department of Anesthesia; The Mount Sinai Hospital; New York NY USA