1. Health, Medical, and Neuropsychology Unit Institute of Psychology Leiden University Leiden the Netherlands
2. Netherlands Cancer Institute Amsterdam the Netherlands
3. Patient representative Meppel the Netherlands
4. Department of Medical Oncology University Medical Center UtrechtUtrecht University Utrecht the Netherlands
5. Dutch Breast Cancer Association (BVN) Utrecht the Netherlands
6. Netherlands Institute for Health Services Research Utrecht the Netherlands
7. Amsterdam Public Health InstituteVrije Universiteit Amsterdam the Netherlands
8. Department of Primary and Community Care Radboud University Medical Center Nijmegen the Netherlands