1. Department of Uro-Gynaecology; Ghent University; Ghent Belgium
2. Department of Rehabilitation Sciences and Physiotherapy; Ghent University; Ghent Belgium
3. Department of Urology; Ghent University Hospital; Ghent Belgium
4. Department of Orthopaedic Surgery; Ghent University Hospital; Ghent Belgium
5. Department of Pediatric Nephrology and Rheumatology; Ghent University Hospital; Ghent Belgium