Funding for this research was provided by:
Region Västerbotten (646641)
Healthcare Research in Regional Collaboration in the North (939839)
Received: 10 January 2022
Accepted: 21 April 2022
First Online: 21 July 2022
: This study was performed in line with the principles of the Declaration of Helsinki, and all methods were carried out in accordance with relevant guidelines and regulations. The study protocol was approved by the Regional Ethical Review Board situated at Umeå University (DNR 2014-286-31M) and the Swedish Ethical Review Authority (DNR 2020-06707). Written consent to participate was obtained from all subjects included in the study.
: Not applicable.
: The authors declare that they have no competing interests.