1. Second Department of Obstetrics and Gynecology, Center of Postgraduate Medical Education, Warsaw, Poland
2. Department of Obstetrics and Gynecology, Pro-Familia Hospital, Rzeszów, Poland
3. Department of Gynecology and Obstetrics, Institute of Medical Sciences, Medical College of Rzeszów University, Rzeszów, Poland
4. Development and Research Center of Non-Invasive Therapies, Pro-Familia Hospital, Rzeszów, Poland
5. Department of Obstetrics, Perinatology and Neonatology, Center of Postgraduate Medical Education, Warsaw, Poland