From the 1The National Research Center in Alternative and Complementary Medicine, University of Tromsø, Tromsø, Norway; 2Department of General Practice and Primary Care, Peninsula Medical School, Universities of Exeter and Plymouth, UK; 3Institute of Community Medicine, Faculty of Medicine, University of Tromsø, Tromsø, Norway; 4Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, Linköping, Sweden; and 5Clinical Research Center, University Hospital of North Norway, Tromsø, Norway.
Received June 21, 2008; revised and accepted August 26, 2008.
Funding/support: This project was funded by The Research Council of Norway. The principal investigator was funded by the University Hospital of North Norway.
Financial disclosure: None reported.
Role of the sponsor: The funding agencies had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of this manuscript.
Address correspondence to: Einar Kristian Borud, MD, MPH, The National Research Center in Complementary and Alternative Medicine, University of Tromsø, N-9037 Tromsø, Norway. E-mail: [email protected]
