Sæverud, Håvard Andreassen http://orcid.org/0000-0001-6310-6687
Falk, Ragnhild Sørum
Dowrick, Adam
Eriksen, Morten
Aarrestad, Sigurd
Skjønsberg, Ole Henning
Funding for this research was provided by:
Respinor
Article History
Received: 28 August 2019
Accepted: 25 October 2019
First Online: 6 November 2019
Compliance with ethical standards
:
: Two of the authors were employees at Respinor at the time of writing the article. Respinor contributed funds equivalent to 20% of the gross salary of the main author for the time used preparing the protocol and gathering the data. The authors have no other conflict of interests.
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