Funding for this research was provided by:
Suomalainen Tiedeakatemia (1998-2003)
Article History
Received: 9 September 2019
Accepted: 18 August 2020
First Online: 31 August 2020
Ethics approval and consent to participate
: The study has ethics approval by Ethical Committee of Turku University and participants consent to participate. All the study individuals have given their informed consent in a written format.
: Not applicable.
: The authors declare that they have no competing interests.