Funding for this research was provided by:
Åke Wiberg Stiftelse (M18-0114)
Stockholms Läns Landsting (20190248)
Received: 29 June 2020
Accepted: 13 November 2020
First Online: 21 November 2020
Ethics approval and consent to participate
: Informed consent was obtained from all volunteers and the Regional Ethical Committee in Stockholm approved the study (Dnr 2008/865–32 and Dnr 2018/2199–31).
: Not applicable.
: The authors declare that they have no competing interests.