1. Department of Plastic, Reconstructive and Hand Surgery, Isala Klinieken, Zwolle
2. Department of Plastic, Reconstructive and Hand Surgery, University Medical Centre Utrecht, Utrecht
3. Department of Medical Psychology, Vrije Universiteit Medical Center, Amsterdam, The Netherlands
4. Faculty of Dentistry, Radboud University, Nijmegen, The Netherlands
5. Department of Pediatric Urology, University Children’s Hospital, University Medical Centre Utrecht, Utrecht