Bakkeli, Nan Zou
Article History
Received: 12 July 2022
Accepted: 3 July 2023
First Online: 18 July 2023
Declarations
:
: This project is approved by REK: Regional Committees forMedical and Health Research Ethics in Norway (Regionale komiteer for medisinsk og helsefaglig forskningsetikk). The registered REK-project number is: 126 127. Contact info: REK sør-øst: Telephone: (+47) 228 45 511; E-mail: rek-sorost@medisin.uio.no.We confirm that all methods were carried out in accordance with guidelines and regulations from REK, all data collection and analysis protocols were approved by REK, and informed consent was obtained from all subjects and/or their legal guardian(s).
: Not applicable.
: The authors declare no competing interests.