Kuuluvainen, Timo http://orcid.org/0000-0002-9085-5584
Lindberg, Henrik
Vanha-Majamaa, Ilkka
Keto-Tokoi, Petri
Punttila, Pekka
Article History
Received: 10 June 2019
Accepted: 11 October 2019
First Online: 2 December 2019
Ethics approval and consent to participate
: Not applicable
: The authors declare that they have no competing interests.