1. DEPARTMENT OF PHYSIOTHERAPY, FACULTY OF SPORT SCIENCES IN GORZÓW WLKP, POZNAN UNIVERSITY OF PHYSICAL EDUCATION, POZNAN, POLAND
2. CLINIC AND DEPARTMENT OF OBSTETRICS, WOMEN’S DISEASES AND ONCOLOGICAL GYNECOLOGY, COLLEGIUM MEDICUM IN BYDGOSZCZ, NICOLAUS COPERNICUS UNIVERSITY, BYDGOSZCZ, POLAND