About the Authors
- Halfdan Petursson
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* E-mail: halfdanpe@gmail.com
Affiliation Research Unit of General Practice, Department of Public Health and General Practice, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
- Johann A. Sigurdsson
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Affiliation Department of Family Medicine, University of Iceland, and Centre of Development, Primary Health Care of the Capital Area, Reykjavik, Iceland
- Calle Bengtsson
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Affiliation Department of Primary Health Care, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Tom I. L. Nilsen
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Affiliation Department of Human Movement Science, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
- Linn Getz
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Affiliation Research Unit of General Practice, Department of Public Health and General Practice, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: HP CB JAS TILN LG. Analyzed the data: HP CB TILN. Wrote the paper: HP JAS LG CB TILN.