Lempiäinen, Päivi A. http://orcid.org/0000-0003-1028-007X
Ylitalo, Antti
Huikuri, Heikki
Kesäniemi, Y. Antero
Ukkola, Olavi H. http://orcid.org/0000-0001-7414-2608
Article History
Received: 20 September 2023
Revised: 19 March 2024
Accepted: 25 March 2024
First Online: 3 April 2024
Competing interests
: The authors declare no competing interests.
: OPERA study was approved by the Ethics Committee of the Faculty of Medicine, University of Oulu, and it was conducted by the principles of the Declaration of Helsinki. All study subjects gave an informed consent.