Funding for this research was provided by:
Strategic Research Council at the Academy of Finland (303607)
Text and Data Mining valid from 2019-09-03
Received: 1 April 2019
Accepted: 28 August 2019
First Online: 3 September 2019
Ethics approval and consent to participate
: Ethical approval for the study was obtained from the Ethics committee of National Institute for Health and Welfare. Responding to the questionnaire was seen as a consent to participate. The survey script reminded the participants that they were under no obligation to complete and/or submit the survey and informed the participants of the purpose and nature of the study, potential benefits and risks and that they will not be identifiable.
: Not applicable.
: The authors declare that they have no competing interests.