About the Authors
- May Trude Johnsen
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* E-mail: maytrude@online.no
Affiliation Department of Clinical Medicine, Faculty of Health Sciences, University of Tromsø, Tromsø, Norway
- Rolf Wynn
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Affiliations Department of Clinical Medicine, Faculty of Health Sciences, University of Tromsø, Tromsø, Norway, University Hospital of North Norway, Tromsø, Norway
- Trond Bratlid
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Affiliations Department of Clinical Medicine, Faculty of Health Sciences, University of Tromsø, Tromsø, Norway, University Hospital of North Norway, Tromsø, Norway
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Designed the research questionnaire: TB. Analyzed the data: MTJ RW TB. Contributed reagents/materials/analysis tools: TB. Wrote the paper: MTJ RW TB.