Koivula, Matti
Vanha-Majamaa, Ilkka http://orcid.org/0000-0003-3937-9698
Article History
Received: 16 October 2019
Accepted: 13 December 2019
First Online: 6 February 2020
Ethics approval and consent to participate
: No ethical issues or conflicts of interest exist.
: The authors consent to publish the data included in this draft.
: The authors declare that they have no competing interests.