Funding for this research was provided by:
Minister Erna Hamiltons Legat for Videnskab og Kunst
Oak Foundation ((OCAY-13-309))
Faculty Scholarship of University of Southern Denmark
PhD fund at Region Southern Denmark
Department of Medicine, Odense University Hospital, Svendborg
Carl Hansen & Søn
Else Poulsens fond
Received: 30 March 2020
Accepted: 6 July 2020
First Online: 25 July 2020
Ethics approval and consent to participate
: This is a meta-research study; ethical review is not required.
: Not applicable.
: The authors declare that they have no competing interests.