Sorteberg, Angelika http://orcid.org/0000-0003-1076-3696
Bredmose, Per Poelhøi
Hansen, Andreas Ernst
Sorteberg, Wilhelm
Article History
Received: 6 April 2019
Revised: 4 May 2019
Accepted: 29 May 2019
First Online: 13 June 2019
Compliance with ethical standards
:
: 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 is not required. Data retrieval has been approved by the institutional data protection officer.