1. Department of Internal Medicine, Excellence Cluster Cardio-Pulmonary System (ECCPS), Member of the German Center for Lung Research (DZL), Justus Liebig University of Giessen, Giessen, Germany.
2. Department of Mountain and Sleep Medicine and Pulmonary Hypertension, National Center of Cardiology and Internal Medicine, Bishkek, Kyrgyzstan.
3. Kyrgyz-Indian Mountain Biomedical Research Center, Bishkek, Kyrgyzstan.
4. Department of Medicine, Imperial College London, London, United Kingdom.
5. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.