1. Emergency Service, University Hospital Centre, Lausanne, Switzerland.
2. Medical School of the University of Lausanne, Faculty of Biology and Medicine, Lausanne, Switzerland.
3. Department of Internal Medicine, Hôpital du Jura, Delémont, Switzerland.
4. Emergency Service, Hôpital du Valais, Sion, Switzerland.
5. GRIMM, Maison FXB du Sauvetage, Sion, Switzerland.
6. Air-Glaciers SA et GRIMM, Maison FXB du Sauvetage, Sion, Switzerland.