1. Metabolic Syndrome Department, Nazarbayev University Medical Center, “ANADETO” Medical Center, Astana, Kazakhstan
2. Gastroenterology and Hepatology Department, Nazarbayev University Medical Center, Astana, Kazakhstan
3. Faculty of Pathology, Medical University Astana, Astana, Kazakhstan
4. Faculty of Postgraduate Education, Kazakh National Medical University named Asfendiarov, Almaty, Kazakhstan
5. Department of Surgery, National Center for Neurosurgery, Astana, Kazakhstan
6. Faculty of Pathology and Forensic Medicine, Medical University Astana, “ANADETO” Medical Center, Astana, Kazakhstan