Received: 22 April 2021
Accepted: 21 August 2021
First Online: 14 September 2021
: All study-procedures were submitted to the Medical Ethical Committee of the Netherlands Cancer Institute (NKI-AVL), which exempted the study from formal ethical approval (P18LVW). In addition, the Ethical Committee of Leiden University, Psychology Department, approved the conduct of the study. The participating hospital (St Antonius) approved recruitment in their hospital (Z18.031).The study was conducted in accordance with the Declaration of Helsinki.All participants provided written informed consent.
: Not applicable.
: The authors declare that there is no conflict of interest.