Funding for this research was provided by:
Received: 16 January 2021
Accepted: 9 June 2021
First Online: 21 June 2021
: This study was approved by the Regional Ethical Review Board in Stockholm. Ethical review numbers 2015/426-31 and 2016/461-32. Individual informed consent was waived.
: Not applicable.
: The authors declare that they have no competing interests.