Article History
Received: 27 March 2019
Accepted: 16 September 2019
First Online: 24 September 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Ethical approval was not deemed necessary, because the study did not contain any of the following six features: (1) study involves an intervention in the physical integrity of subjects, (2) study deviates from the principle of informed consent, (3) subjects are under the age of 15 and the study is not part of their normal activities, (4) study exposes subjects to exceptionally strong stimuli and evaluating possible harm requires special expertise, (5) study may cause long-term mental harm, and (6) study can represent a security risk to subjects, which would necessitate ethical approval in non-medical research according to National Advisory Board on Research Ethics in Finland.
: Informed consent was included on the first page of the questionnaire.