Nilsen, Ann Helen https://orcid.org/0000-0002-4173-4049
Helvik, Anne-Sofie
Thorstensen, Wenche Moe
Bugten, Vegard
Article History
Received: 1 February 2017
Accepted: 22 December 2017
First Online: 26 January 2018
Authors’ information
: Ann Helen Nilsen is a research nurse and a PhD-candidate.Vegard Bugten is an otolaryngologist and associate professor.Anne-Sofie Helvik is a RN and a researcher.Wenche Moe Thorstensen is an otolaryngologist and associate professor.
: The study is approved by the Committee for Medical Research Ethics in Norway, 2015/367/REK NORD. All patients and controls signed a written consent prior to inclusion in the trial.
: Not applicable.
: The authors declare that they have no competing interests.
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