Lund, Kjersti V.
Simonsen, Trude G.
Kristensen, Gunnar B.
Rofstad, Einar K.
Funding for this research was provided by:
Kreftforeningen (71409-PR-2006-0203)
Helse Sør-Øst RHF (2017080)
Article History
Received: 17 January 2020
Accepted: 30 March 2020
First Online: 15 April 2020
Ethics approval and consent to participate
: The study was approved by the regional committee of medical research ethics in southern Norway and was carried out in accordance with the Declaration of Helsinki. Informed consent was obtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests.