1. V.F. Snegirev Clinic of Obstetrics and Gynecology, I.M. Sechenov First Moscow State Medical University, Ministry of Health of Russia
2. Vidnoye Perinatal Center
3. G.N. Speranskiy Children’s City Clinical Hospital No. 9, Moscow Healthcare Department
4. Vidnoye Regional Clinical Hospital
5. N.P. Bochkov Research Center for Medical Genetics
6. N.N. Burdenko Voronezh State Medical University