1. Department of Gynecology and Obstetrics No. 2 Federal State Funded Educational Institution for Higher Education Omsk State Medical University, Ministry of Public Health Russian Federation Omsk Russia
2. Peoples Friendship University of Russia (RUDN Moscow Russia
3. Laboratory of Synthesis of Functional Carbon Materials Institute of Hydrocarbons Processing of the Siberian Branch of the Russian Academy of Sciences Omsk Russia
4. Department of Obstetrics and Gynecology and Centre for Reproductive and Perinatal Medicine University of Perugia Perugia Italy