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Authors
Martinussen, Pål E.
Magnussen, Jon
Vrangbæk, Karsten
Frich, Jan C.
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Article History
Received: 1 March 2019
Accepted: 1 May 2020
First Online: 11 May 2020
Ethics approval and consent to participate
: The survey data used in this study is anonymous, and need for consent was deemed unnecessary, as the study was approved by the Norwegian Centre for Research Data’s Data Protection Services. Permission to access and use of the data described in this study was granted by the Norwegian Medical Association.
: Not applicable.
: The authors declare that they have no competing interests.
