Received: 31 May 2022
Accepted: 1 November 2022
First Online: 21 November 2022
: The study was approved by the Regional Committee for Medical Ethics Eastern Norway (reg. no. 04049), and the Norwegian Social Science Data Service and The Norwegian Data Inspectorate under the Norwegian Ministry of Labour and Government Administration, NSD (reg. no. 11074). We received exemption from the duty of confidentiality by the Directorate of Health and Social Affairs (reg.no 05/3914) because the study was evaluated as of great social importance, and thus were approved to include those who did not have competence to give consent.
: Not applicable.
: The authors declare that they have no competing interests.