Funding for this research was provided by:
Norges Teknisk-Naturvitenskapelige Universitet
The Norwegian Committee on Research in General Practic
The Norwegian Centre of Rural Medicin
The Norwegian Research Fund for General Practice
Received: 4 June 2020
Accepted: 16 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: The study was approved by the regional committee for medical and health research ethics (REK) (Reference REK midt 2013/1501). Møre og Romsdal Hospital Trust provided access to the medical records after approval by REK. All participants gave their written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.