1. Department of Medicine, School of Medicine, Nazarbayev University, Astana, Kazakhstan
2. Clinical Academic Department of Internal Medicine, CF “University Medical Center”, Astana, Kazakhstan
3. School of Population and Public Health, University of British Columbia, Vancouver, Canada
4. Department of Medicine, Khoja Akhmet Yassawi International Kazakh-Turkish University, Turkestan, Kazakhstan
5. Department of Medical and Regulatory Affairs, CF “University Medical Center”, Astana, Kazakhstan