1 Рeoples' Friendship University of Russia (RUDN University)
2 Sechenov First Moscow State Medical University (Sechenov University)
3 Republican Clinical Perinatal Center
4 Gastric Cancer Center, West China Hospital of Sichuan University
5 Tyumen State Medical University
6 Federal State Budgetary Educational Institution of Higher Education "Bashkir State Medical University" of the Ministry of Healthcare of the Russian Federation
7 The First Affiliated Hospital of Harbin Medical University