1. Department of Anesthesiology and Perioperative Medicine Oregon Health and Science University Portland Oregon USA
2. Department of Anesthesiology & Pain Medicine Nationwide Children's Hospital Columbus Ohio USA
3. Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital Harvard Medical School Boston Massachusetts USA
4. Department of Anesthesiology Children's Hospital of Pittsburgh of UPMC Pittsburgh Pennsylvania USA
5. Departments of Anesthesiology and Pediatrics Texas Children's Hospital Houston Texas USA
6. Division of Anesthesiology, Pain and Perioperative Medicine, Children's National Hospital The George Washington University School of Medicine and Health Sciences Washington District of Columbia USA
7. Department of Anesthesiology and Critical Care Medicine Children's Hospital of Philadelphia Philadelphia Pennsylvania USA
8. Department of Anesthesiology, Perioperative, and Pain Medicine Stanford University Palo Alto California USA