1. Kazan (Volga Region) Federal University, Kazan, RUSSIA
2. Financial University Under the Government of the Russian Federation, Moscow, RUSSIA
3. Peoples’ Friendship University of Russia (RUDN University), Moscow, RUSSIA
4. I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, RUSSIA
5. Almetyevsk State Oil Institute, Almetyevsk, Republic of Tatarstan, RUSSIA