Seppänen, Allan
Joelsson, Petteri
Ahlgren-Rimpiläinen, Aulikki
Repo-Tiihonen, Eila
Article History
Received: 9 October 2019
Accepted: 11 April 2020
First Online: 16 April 2020
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.