Received: 25 August 2019
Accepted: 19 January 2021
First Online: 31 January 2021
Ethics approval and consent to participate
: The approval for the study was given by the Regional Ethics Committee of Tampere University Hospital. The principles of the Declaration of Helsinki were observed. All participants gave their written informed consent prior to the data collection.
: Not applicable.
: The authors declare that they have no competing interests.