1. Department of Public Health, Semey Medical University, Semey 070000, Kazakhstan
2. Department of Public Health, Asfendiyarov Kazakh National Medical University, Almaty 050000, Kazakhstan
3. Department of Obstetrics and Gynecology #1, NpJSC “Astana Medical University”, Astana 010000, Kazakhstan
4. Department of Epidemiology, Biostatistics and Evidence-Based Medicine, Al-Farabi Kazakh National University, Almaty 050010, Kazakhstan
5. School of Medicine, Nazarbayev University, Astana 010000, Kazakhstan