1 The 2nd Affiliated Hospital of Harbin Medical University
2 Republican Clinical Perinatal Center, Republic of Bashkortostan
3 Sechenov First Moscow State Medical University (Sechenov University)
4 Federal State Budgetary Educational Institution of Higher Education "Bashkir State Medical University" of the Ministry of Healthcare of the Russian Federation
5 Department of Neurosurgery, the First Affiliated Hospital of Harbin Medical University
6 Рeoples' Friendship University of Russia (RUDN University)