M.V. BLOKHINA1, G.A. SAFINA2, O.G. SAFINA3  1Kazan State Medical University, Kazan 2Republic Clinical Oncology Dispensary named after Professor M.Z. Sigal, Kazan 3Republic Clinical Hospital, Kazan  Contact details: Blokhina M.V. — MD, Associate Professor of the Department of Public Health and Organization of Healthcare Address: 49 Butlerov St., Kazan, Russian Federation, 420012, tel.: 7-903-318-31-62, e-mail: marinakgmu@mail.ru […]