1. Department of Phthisiology, Karaganda State Medical University, Karaganda, Republic of Kazakhstan.
2. Department of Therapeutic Disciplines, South Kazakhstan Medical Academy, Shymkent, Republic of Kazakhstan.
3. Department of Clinical Work and Employment of Graduates and Karaganda State Medical University, Karaganda, Republic of Kazakhstan.
4. Department of Neurosurgery and Neurology, Karaganda State Medical University, Karaganda, Republic of Kazakhstan.