1. Department of Medicine, School of Medicine, Nazarbayev University, Astana, Kazakhstan
2. Department of Medicine, Khoja Akhmet Yassawi International Kazakh-Turkish University, Turkistan, Kazakhstan
3. Clinical Academic Department of Internal Medicine, CF “University Medical Center”, Astana, Kazakhstan
4. Department of Internal Medicine and Nephrology, Astana Medical University, Astana, Kazakhstan
5. Graduate School of Public Policy, Nazarbayev University, Astana, Kazakhstan
6. Department of Extracorporeal Hemocorrection, National Research Cardiac Surgery Center, Astana, Kazakhstan