Received: 23 March 2020
Accepted: 10 July 2020
First Online: 16 July 2020
Ethics approval and consent to participate
: The Regional Committees for Medical and Health Research Ethics (2018/1935 A) and the hospitals privacy appeal board (public 18/06887) approved the study. Physicians’ signed informed consent which guaranteed confidentiality and the ability to withdraw at any time without giving a reason.
: Not applicable.
: The authors declare that they have no competing interests.