Nietola, Miika
Huovinen, Hanna
Heiskala, Anni
Nordström, Tanja
Miettunen, Jouko
Korkeila, Jyrki
Jääskeläinen, Erika
Funding for this research was provided by:
Turku University Foundation (10-2305)
Article History
Received: 26 May 2019
Accepted: 3 February 2020
First Online: 13 February 2020
Conflict of interest
: The authors declare that they have no conflict of interest.
: This study has been approved by the relevant and appropriate ethics committee and, therefore, has been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.