Funding for this research was provided by:
Sigrid Juséliuksen Säätiö
Helsinki University Hospital Research Funds
Academy of Finland (295741)
Received: 30 October 2020
Accepted: 28 January 2021
First Online: 17 February 2021
Ethics approval and consent to participate
: Ethical permission of the study was obtained from the Hospital District of Helsinki and Uusimaa (HUS) review board (ethical permission number 351/13/03/02/2014) and all patients gave their consent to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.