Affiliations

• ¹ Department of Anesthesiology, Critical Care, and Pain Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Harvard Medical School, Harvard University, Boston, MA, USA. Electronic address: james.peyton@childrens.harvard.edu.
• ² Department of Anesthesiology, Critical Care, and Pain Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Harvard Medical School, Harvard University, Boston, MA, USA.
• ³ Department of Anesthesiology, Children's Hospital of Philadelphia, Philadelphia, PA, USA.
• ⁴ Department of Anesthesia, Hospital for Sick Children, Toronto, ON, Canada.
• ⁵ Division of Emergency Medicine, Anesthesia and Pain Medicine, Medical School, University of Western Australia, Perth, WA, Australia; Department of Anesthesia and Pain Management, Perth Children's Hospital, Perth, WA, Australia; Perioperative Medicine Team, Telethon Kid's Institute, Perth, WA, Australia.