Funding for this research was provided by:
Päivikki ja Sakari Sohlbergin Säätiö (Not applicable)
Juhani Aho Foundation (Not applicable)
Received: 5 September 2019
Accepted: 26 November 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: The Tampere University Hospital’s Ethics Committee approved the study protocol (Approval no: R18203. The Regional Ethics Committee of Pirkanmaa Health District, Tampere University Hospital, PO Box 2000, FI-33521 Tampere, Finland). Patient consent was waived as no interventions were conducted.
: Not applicable.
: The authors declare that they have no competing interests.