1 Department of Gynaecological Oncology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands J.F.Roze@umcutrecht.nl.
2 Department of Gynaecological Oncology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.
3 Member of Dutch and International Granulosa Cell Tumour Patient Organization, Utrecht University, Utrecht, The Netherlands.
4 Co-Chair of the European Network of Gynaecological Cancer Advocacy Groups, Zekai Tahir Burak Women's Health Training and Research Hospital Ankara, Turkey, Ankara, Turkey.