1 Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus Medical Center, The Netherlands; Department of Public Health, Erasmus Medical Center, The Netherlands. Electronic address: e.geijteman@erasmusmc.nl.
2 Department of Public Health, Erasmus Medical Center, The Netherlands.
3 EMGO Institute for Health and Care Research, Department of Public and Occupational Health, VU University Medical Center, The Netherlands.
4 Julius Center, University Medical Center Utrecht, The Netherlands.