Klug, Tejs Ehlers http://orcid.org/0000-0001-5053-8034
Hentze, Malene
Schytte, Sten
Farnebo, Lovisa
Rikardsen, Oddveig
Sihvo, Eero
Räsänen, Jari
Mäkitie, Antti
Article History
Received: 6 March 2019
Accepted: 12 March 2019
First Online: 19 March 2019
Compliance with ethical standards
:
: The author(s) declare that they have no competing interests.
: According to Danish law, no ethical approval is necessary in questionnaire studies.
: Informed consent was obtained from all individual participants included in the study.