Funding for this research was provided by:
Received: 14 February 2020
Accepted: 1 June 2020
First Online: 30 June 2020
Ethics approval and consent to participate
: The processing of data was notified to and approved by the Legal Department of Rigshospitalet, Copenhagen University Hospital on behalf of the Danish Data Protection Agency (j.no.2012-58-0004) and the Local Research Ethics Committee (j.no. RH-2017-215 – I-suite number 05654). The ethical principles of the Declaration of Helsinki were followed, and confidentiality was guaranteed. The participants gave written informed consent and were informed that participation was on voluntary basis and that they could withdraw from the study at any time.
: Not applicable.
: The authors declare that they have no competing interests.