1. Department of Medical Oncology, GROW – School for Oncology and Developmental Biology, Maastricht University Medical Centre, Maastricht, The Netherlands
2. Department of Psychiatry, Section of Medical Psychology and Psychotherapy, Erasmus Medical Centre, Rotterdam, The Netherlands
3. Department of Clinical Epidemiology and Medical Technology Assessment (KEMTA), Maastricht University Medical Centre, Maastricht, The Netherlands
4. Department of Medical Oncology, Zuyderland Medical Centre, Geleen, The Netherlands
5. Department of Trial Registration, Comprehensive Cancer Centre the Netherlands, Rotterdam, The Netherlands
6. Dutch Breast Cancer Research Group, BOOG Study Center, Amsterdam, The Netherlands
7. Department of Medical Oncology, Erasmus Medical Centre, Rotterdam, The Netherlands