Bek, Toke http://orcid.org/0000-0002-0409-2534
Klug, Sidsel Ehlers
Article History
Received: 5 February 2018
Revised: 26 July 2018
Accepted: 3 August 2018
First Online: 10 August 2018
Compliance with ethical standards
: The study was approved by The Central Denmark Region Committees for Health Research Ethics.
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study, formal consent was not required, but informed consent for quality assessment of treatment was obtained anyway. No identifying information about individual participants is provided in the manuscript.