1. Radboudumc Center of Expertise for Cancer Survivorship, Department of Hematology, Radboud University Medical Center, Nijmegen, The Netherlands.
2. Department of Pediatric Oncology, VU University, Amsterdam University Medical Centers, Amsterdam, The Netherlands.
3. Siza/Academy Het Dorp, Arnhem, The Netherlands.
4. Department of Hematology, Radboud University Medical Center, Nijmegen, The Netherlands.
5. Department of Medical Psychology, Amsterdam Public Health Research Institute, University of Amsterdam, Amsterdam University Medical Centers, Amsterdam, The Netherlands.
6. Expert Center for Chronic Fatigue, Amsterdam Public Health Research Institute, VU University, Amsterdam University Medical Centers, Amsterdam, The Netherlands.