1. Cayetano Heredia University/IIA, Department of Biological and Physiological Sciences, Oxygen Transport Laboratory, Lima, Perú.
2. Intensive Care Unit of the Department of Internal Medicine, University Hospital, Zurich, Switzerland.
3. Department of Medicine, University of Colorado Health Sciences Center, Denver, CO.
4. National Center for Cardiology and Internal Medicine, Bishkek, Kyrgyzstan.
5. Clinica Medica 2, University of Pavia, Italy.
6. Research Center for High Altitude Medicine, Qinghai, Xining, China.
7. Division of Emergency Medicine, University of Colorado Health Sciences Center, Denver, CO.
8. Department of Internal Medicine. Shinshu University School of Medicine, Matsumoto, Japan.
9. Cayetano Heredia University, Lima, Perú.
10. Laboratoire Reponses cellulaires et fonctionnelles a l'hypoxie, Universite Paris 13, Bobigny, France.
11. Colorado Center for Altitude Medicine and Physiology, University of Colorado Denver Health Sciences Center, CO.
12. Qinghai Province Institute of High-Altitude Medical Science Research, Xining, China.
13. Instituto Boliviano de Biología de Altura (IBBA), La Paz, Bolivia.
14. High Altitude Pathology Institute (IPPA), La Paz, Bolivia.