Ellery T Cunan1, Roy Dudley2, Sam D Shemie3,4,5. 1. Division of Pediatric Critical Care, Department of Pediatrics, Montreal Children's Hospital, McGill University, Montreal, QC, Canada. 2. Division of Pediatric Neurosurgery, Department of Pediatric Surgery, Montreal Children's Hospital, McGill University, Montreal, QC, Canada. 3. MUHC Research Institute, Montreal, QC, Canada. sam.shemie@mcgill.ca. 4. Deceased Organ Donation, Canadian Blood Services, Ottawa, ON, Canada. sam.shemie@mcgill.ca. 5. Division of Pediatric Critical Care, Department of Pediatrics, Montreal Children's Hospital, McGill University, 1001 boulevard Décarie, B06.3834, Montreal, QC, H4A 3J1, Canada. sam.shemie@mcgill.ca.