Funding for this research was provided by:
European Social Fund (S20659)
Valtion tutkimusrahoitus (9X057)
Received: 31 May 2019
Accepted: 17 May 2020
First Online: 24 May 2020
Ethics approval and consent to participate
: The ethics committee of Pirkanmaa Hospital District (ETL R16041) and the National Institute of Health and Welfare (THL/556/5.05.OO/2016) approved the study. Based on Finnish legislation (Personal Data Act, Finland, 22.4.1999) individual consent is unnecessary since no individual could be identified due to the size of the study population.
: Not applicable.
: The Authors declare that there is no conflict of interest.