About the Authors
- Aslak Steinsbekk
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* E-mail: aslak.steinsbekk@ntnu.no
Affiliation Department of Public Health and General Practice, Norwegian University of Science and Technology, Trondheim, Norway
- Marit By Rise
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Affiliation Department of Public Health and General Practice, Norwegian University of Science and Technology, Trondheim, Norway
- Felicity Bishop
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Affiliation Complementary and Integrated Medicine Research Unit, Primary Medical Care, University of Southampton, Southampton, United Kingdom
- George Lewith
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Affiliation Complementary and Integrated Medicine Research Unit, Primary Medical Care, University of Southampton, Southampton, United Kingdom
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Analyzed the data: AS. Wrote the paper: AS MBR FB GL.