van der Velden, Naomi C. A.
van Laarhoven, Hanneke W. M.
Burgers, Sjaak A.
Hendriks, Lizza E. L.
de Vos, Filip Y. F. L.
Dingemans, Anne-Marie C.
Jansen, Joost
van Haarst, Jan-Maarten W.
Dits, Joyce
Smets, Ellen MA
Henselmans, Inge
Funding for this research was provided by:
Dutch Cancer Society, Netherlands (11547, 11547, 11547, 11547)
Article History
Received: 22 March 2022
Accepted: 14 July 2022
First Online: 1 September 2022
Declarations
:
: The study was granted exemption from formal approval by the Amsterdam University Medical Centers Institutional Medical Ethics Review Board (W19_051#19.073, 14<sup>th</sup> of February 2019), the Medical Research Ethics Committee academisch ziekenhuis Maastricht, Maastricht University (METC 2019–1146, 8<sup>th</sup> of May 2019), the Institutional Review Board of the Netherlands Cancer Institute‐Antoni van Leeuwenhoek hospital (19.228/IRBd19152‐M19PCC, 19<sup>th</sup> of July 2019), the Hospital Board of Tergooi Ziekenhuis (Kv/19.035, 1<sup>st</sup> of August, 2019), the Medical Research Ethics Committee Utrecht (WAG/mb/19/027709, 7<sup>th</sup> of August 2019), the Daily Board of the Medical Ethics Committee Erasmus MC (MEC-2020–0529, 9<sup>th</sup> of July 2020) and the Hospital Board of Franciscus Gasthuis & Vlietland Ziekenhuis (T110/2020–084, 15<sup>th</sup> of July 2020).All methods were carried out in accordance with the Helsinki Declaration. We informed study participants orally about the study and provided them written information about participation, including the study’s purpose, procedures, risks and benefits, data management and privacy. All study participants provided written informed consent on voluntary basis only.
: Not applicable.
: The authors declare that they have no competing interests.