1. Central Research Institute of Epidemiology of Rospotrebnadzor
2. Central Research Institute of Epidemiology of Rospotrebnadzor; I.M. Sechenov First Moscow State Medical University (Sechenov University)
3. Kazan State Medical Academy, a branch of Russian Medical Academy of Continuous Professional Education; Russian National Research Medical University named after N.I. Pirogov
4. I.M. Sechenov First Moscow State Medical University (Sechenov University)