1. Center of Research on Psychology in Somatic Disorders (CoRPS), Department of Medical and Clinical PsychologyTilburg University Tilburg The Netherlands
2. Department of ResearchNetherlands Comprehensive Cancer Organisation (IKNL) Utrecht The Netherlands
3. Division of Psychosocial Research and EpidemiologyThe Netherlands Cancer Institute Amsterdam The Netherlands
4. Department of SurgeryElisabeth‐TweeSteden Hospital Tilburg The Netherlands
5. Department of SurgeryElkerliek Hospital Helmond The Netherlands
6. Department of Internal MedicineMáxima Medical Centre Eindhoven The Netherlands