Affiliation: | 1. Belarusian Medical Academy of Post-Graduate Education, 3, Brovki str., build. 3, Minsk 220013, Belarus;2. Belarusian State Medical University, 83, Dzerzhinski Ave., Minsk 220116, Belarus;3. Minsk City Hospital № 9, 8, Semashko str., Minsk 220116, Belarus |