1 Department of Medical Psychology, Expert Center for Chronic Fatigue, Radboud University Medical Center, Nijmegen, The Netherlands. [email protected].
2 Department of Medical Oncology, Radboud University Medical Center, Nijmegen, The Netherlands.
3 Department of Medical Psychology, Amsterdam Public Health Research Institute, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
4 Department of Medical Psychology, Expert Center for Chronic Fatigue, Amsterdam Public Health Research Institute, VU University Medical Center, Amsterdam, The Netherlands.
5 Department of Medical Psychology, Radboud University Medical Center, Nijmegen, The Netherlands.
6 The Institute of Cancer Research, United Kingdom and the Royal Marsden NHS Foundation Trust, London, UK.