Funding for this research was provided by:
Academy of Finland (275323, 309504)
Juho Vainion Säätiö (2016-2018)
Received: 11 September 2020
Accepted: 21 March 2021
First Online: 31 March 2021
: The complete ERMA-study protocol, including the current sub study, was approved by the ethics committee of the Central Finland Health Care District (K-SSHP Dnro 8U/2014), Jyväskylä, Finland. All participants filled an informed consent for the complete ERMA study and subsequent phases.
: Not applicable.
: The authors declare that they have no competing interests.