Center for Pelvic-Floor Disorders cooperates both research and clinically with the following international institutions: 1st Faculty of Medicine, Charles University, Prague, Czech Rep., Prof. MUDr. Jaromír Mašata, Ph.D., doc. Ain-Shams University Maternity Hospital, Cairo, Egypt, Dr Abdelrahman Abouelhassan, Hospital Clínic de Barcelona, Spain, Margarita Manresa RNM, Ph.D. Cairo University, Egypt,Prof. Rasha Kamel Mayday University Hospital, Croydon, London, UK, Dr Ranee Thakar, MD, MRCOG and Dr Abdul Sultan, MD, FRCOG General Hospital in Hagen, Germany, Dr Abdelrahman Abouelhassan II. Gynecological Department of the Faculty of Medicine of Comenius University, Bratislava, Slovakia, Doc. MUDr.Jozef Záhumenský, Ph.D. Ikazia Hospital, Rotterdam, Netherlands, Dr Jan Willem de Leeuw Department of Gynecology and Obstetrics, General University Hospital Jaromír Mašata, Ph.D., doc. University Hospital L. Pasteur Košice, Slovakia, Doc. MUDr. Carémeau University Hospital, Nîmes, France, Prof Renaud de Tayrac Oslo University Hospital, Norway, Assoc. Prof Katariina Laine University of Oslo, Norway, Assoc. Prof Katariina Laine Plymouth University Hospitals, UK, Professor Robert M Freeman MD FRCOG University Hospital Trenčín, Slovakia, Prim. MUDr. Peter Kaščák, Ph.D., Dr. Matej Vidoman Clinique Geoffroy Saint-Hilaire à Paris, France, Prof Bruno Deval Pavel Jozef Šafárik University in Košiciach, Slovakia, Doc. MUDr. Tampere University of Applied Sciences, Tampere, Finland, Dr. Sari Räisänen University of Poitiers, France, Prof Xavier Fritel University of Ljubljana, Slovenia, Prof. Mija Blaganje University Hospital, Bratislava, Slovakia, prof. MUDr. Jozef Záhumenský PhD. Institute of Care for Mother and Child, Prague, Czech Rep., Prof. Ladislav Krofta, Ph.D., Dr. Lucie Hympánová Hájková, Ph.D.