1Department of Neurology, Ophthalmology and Otolaryngology, Semey Medical University, Semey, Kazakhstan
2Department of Internal Medicine, Semey Medical University, Semey, Kazakhstan
3Department of Public Health, Semey Medical University, Semey, Kazakhstan
4Head Office, Kazakhstan Medical University Higher School of Public Health, Almaty, Kazakhstan
5Department of Epidemiology, Evidence Medicine and Biostatistics, Kazakhstan Medical University Higher School of Public Health, Almaty, Kazakhstan
6Department of Research and International Affairs Kazakhstan Medical University Higher School of Public Health, Almaty, Kazakhstan
7Department of Public Health, Kazakh Medical University of Continuing Education, Almaty, Kazakhstan
8Department of Epidemiology, Biostatistics and Evidence-Based Medicine, Al-Farabi Kazakh National University, Almaty, Kazakhstan
9Medical College, South Kazakhstan Medical Academy, Shymkent, Kazakhstan
10Department of Postgraduate Education, Kazakh Medical University of Continuing Education, Almaty, Kazakhstan
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