Funding for this research was provided by:
Forskningsrådet om Hälsa, Arbetsliv och Välfärd (2018-01201, 2013-02292)
Vetenskapsrådet (2015-06796, 2015-03255, 2013-08689, 2019-01272)
Received: 27 January 2021
Accepted: 12 April 2021
First Online: 21 April 2021
: All participants provided informed consent, and the study was approved by the Regional Ethics board at Karolinska Institutet, Stockholm.
: Not applicable.
: The authors declare that they have no competing interests.