1. Department of Emergency Medicine, Wake Forest University School of Medicine, Winston-Salem, NC
2. Department of Emergency Medicine, University of Florida College of Medicine-Jacksonville, Jacksonville, FL
3. International Drowning Researchers Alliance, Kuna, ID
4. Division of Pediatric Critical Care, Stanford University School of Medicine, Palo Alto, CA
5. Laboratory for Exercise and Environmental Medicine, Faculty of Kinesiology and Recreation, University of Manitoba, Winnipeg, Manitoba, Canada
6. Emergency Medicine, US Acute Care Solutions, Boulder, CO