Funding for this research was provided by:
Received: 17 December 2020
Accepted: 19 February 2021
First Online: 4 March 2021
Compliance with ethical standards
: Each author declares that no possible conflict of interest (financial or not financial) exists in connection with this study.
: Ethical approval for this study was obtained from the regional ethics committee, Karolinska Institutet, Diarienumber 2016/1613–31/2.