Veddeng, Sigbjørn
Madland, Håkon
Molden, Espen
Wyller, Torgeir Bruun
Romskaug, Rita
Article History
Received: 22 September 2021
Accepted: 15 March 2022
First Online: 23 March 2022
Declarations
:
: The study is approved by Oslo University Hospital and the regional research committee (Regional Committee for Medical and Health Research Ethics South East; reference number 2014/1488) and was carried out in accordance with the 1964 Helsinki declaration and its later amendments.
: Not applicable.
: None of the authors have any conflicts of interest related to this work.