1. Emergency Department, Lausanne University Hospital (CHUV), Lausanne, Switzerland
2. University of Lausanne, Lausanne, Switzerland
3. Helicopter Emergency Medical Services, Air Glacier, Sion, Switzerland
4. Emergency Medical Services, Dispatch Centre, State of Valais, Sion, Switzerland
5. Emergency Medical Services, Dispatch Centre, State of Vaud (Fondation Urgences-Santé), Lausanne, Switzerland