1. Physiological Research Group of the Ministry of Railroad, PRC.
2. National Key Laboratory of High Altitude Medicine, Qinghai, PRC.
3. Emergency Center of the Qinghai–Tibet Railway, Golmud, PRC.
4. Department of Cardiovascular Diseases, Qinghai Hospital of Railway, Xining, PRC.
5. General Hospital of the China Railway, Beijing, PRC.
6. Qinghai–Tibet Railroad Company, Beijing, Xining, PRC.
7. Institut des sciences du mouvement et de la médecine du sport, Faculté de médecine, Université de Genève, Geneva, Switzerland.