Hestbaek, Lise DC, PhD*; Leboeuf-Yde, Charlotte DC, MPH, PhD*; Kyvik, Kirsten Ohm MD, PhD†; Manniche, Claus Dr Med Sci*
From the *Back Research Center, Backcenter Fynen, Clinical Locomotion Science, University of Southern Denmark, and †Danish Twin Register, University of Southern Denmark, Ringe, Denmark.
Supported by the Foundation for Chiropractic Research and Postgraduate Education, Denmark (to L.H.).
Acknowledgment date: August 31, 2004. First revision date: November 3, 2004. Second revision date: January 12, 2005. Acceptance date: February 16, 2005.
The manuscript submitted does not contain information about medical device(s)/drug(s).
Foundation funds were received in support of this work. No benefits in any form have been or will be received from a commercial party related directly or indirectly to the subject of this manuscript.
Address correspondence and reprint requests to Lise Hestbaek, PhD, Back Research Center, Backcenter Fynen, Lindevej5, DK-5750 Ringe, Denmark; E-mail: [email protected]