1. Department of Emergency Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA
2. WMS Search and Rescue Committee, San Diego, CA, USA
3. Powell Valley Healthcare Emergency Department and Department of Emergency Medicine, Powell, WY, USA
4. Blue Mountain Ski Patrol, Palmerton, PA, and Appalachian Center for Wilderness Medicine, Morganton, NC, USA
5. Mountain Rescue Association, International Commission on Alpine Rescue MEDCOM, Zurich, Switzerland, and Department of Emergency Medicine, University of Colorado, Aurora, CO, USA
6. RedSTAR Wilderness Emergency Medical Services and Eastern Kentucky University Center for Wilderness and Outdoor Public Safety, Richmond, KY, USA