1. Department of Respiratory Medicine, University Hospital of Zurich, Zurich, Switzerland.
2. Swiss-Kyrgyz High Altitude Medicine and Research Initiative, Zurich, Switzerland.
3. Department of Respiratory Medicine, National Center for Cardiology and Internal Medicine, Bishkek, Kyrgyz Republic.
4. Université Grenoble Alpes, Grenoble, France.
5. National Institute of Public Health, Ministry of Health, Bishkek, Kyrgyz Republic.