1. Medical Department; National School for Skiing and Mountaineering; Site of the National School for Mountain Sports; Chamonix France
2. Laboratory of Biochemistry; Hospices Civils de Lyon; Lyon France
3. Exercise Physiology Laboratory; University of Savoie; Chambéry France
4. Center for Integrative Human Physiology; Institute of Physiology; University of Zurich; Zurich Switzerland
5. Laboratory of Biochemistry; Henri-Mondor Hospital; Créteil France
6. Department of anaesthesia; University Hospital; Saint-Etienne France
7. Michel Laboratory; Chamonix France
8. Department of Anaesthesia; Mont-Blanc Hospital; Sallanches France
9. University of Lyon; Saint-Etienne France