1. Central State Medical Academy, Presidential Administration of Russia, Moscow, Perinatal Center, S.S. Yudin City Clinical Hospital, Moscow City Healthcare Department
2. Central State Medical Academy, Presidential Administration of Russia, Moscow
3. Perinatal Center, S.S. Yudin City Clinical Hospital, Moscow City Healthcare Department, -I.M. Sechenov First Moscow State Medical University (Sechenov University), Ministry of Health of Russia
4. Russian Medical Academy of Continuing Professional Education, Ministry of Health of Russia, Moscow