1. Erasmus School of Health Policy & Management, Erasmus University Rotterdam, Rotterdam, The Netherlands.
2. Dutch AYA Care Network, Utrecht, The Netherlands.
3. Department of Urology and Medical Decision Making, Leiden University Medical Center, Leiden, The Netherlands.
4. SEIN, Zwolle, The Netherlands.
5. Department of Medical Oncology and Psychosocial Research and Epidemiology, Netherlands Cancer Institute, Amsterdam, The Netherlands.
6. Independent Researcher-Oncologist, Groningen, The Netherlands.
7. Oncological Center, Hospital Rijnstate Arnhem, Arnhem, The Netherlands.
8. Radboud University Medical Center (Radboudumc), Nijmegen, The Netherlands.