Funding for this research was provided by:
Sosiaali- ja Terveysministeriö
Received: 3 October 2018
Accepted: 15 October 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: In Finland, anonymous questionnaires are exempt from ethical approval [CitationRef removed]. The study followed the national ethical guidelines for researchers. Responding to the survey was considered as giving informed consent.Finnish advisory board on research integrity: ethical principles of research in the humanities and social and behavioral sciences and proposals for ethical review. 2009 ExternalRef removed
: Not applicable.
: All authors declare that they have no competing interests.