1. Department of Sports Dietetics, Chair of Dietetics, Faculty of Health Sciences, Poznan University of Physical Education, 61-871 Poznan, Poland
2. Division of Gynaecology, Department of Gynaecology, Poznan University of Medical Sciences, 61-758 Poznan, Poland
3. Center for Pediatric, Adolescent Gynecology and Sexology, Division of Gynecology, Department of Gynecology, Poznan University of Medical Sciences, 61-758 Poznan, Poland
4. Department of Obstetrics and Gynaecology, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, UK
5. Department of Physiotherapy, Faculty of Sport Sciences in Gorzow Wielkopolski, Poznan University of Physical Education, 61-871 Poznan, Poland
6. Nursing Department, President Stanislaw Wojciechowski State University of Kalisz, 62-800 Kalisz, Poland