B. I. Gataullin
Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University; Kazan State Medical Academy – branch of Russian Medical Academy of Continuing Professional Education, Ministry of Health of Russia
Russian Federation

74 K. Marks St., Kazan 420012; 36 Butlerova St., Kazan 420012

I. G. Gataullin
Kazan State Medical Academy – branch of Russian Medical Academy of Continuing Professional Education, Ministry of Health of Russia
Russian Federation

36 Butlerova St., Kazan 420012

R. G. Biktemirova
Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University
Russian Federation

74 K. Marks St., Kazan 420012

Ya. A. Erpert
Kazan State Medical Academy – branch of Russian Medical Academy of Continuing Professional Education, Ministry of Health of Russia
Russian Federation

36 Butlerova St., Kazan 420012

N. F. Didakunan
Kazan State Medical University of Ministry of Health of Russia
Russian Federation

49 Butlerova St., Kazan 420012