From the *Nordic Institute for Chiropractic and Clinical Biomechanics and the †Department of Genetic Epidemiology, Institute of Community Health, Odense University, Odense, Denmark; and ‡The International Business Academy, Kolding Business School, Kolding, Denmark.
Funding for data collection was provided by the European Chiropractors’ Union.
Department of Health and Disability
National Public Health Institute
Helsinki, Finland
Acknowledgment date: April 4, 1998.
Acceptance date: July 21, 1998.
Address reprint requests to
Charlotte Leboeuf–Yde, DC, MPH, PhD
Nordic Institute for Chiropractic and Clinical Biomechanics
Klosterbakken 20
DK 5000 Odense C, Denmark
Device status category: 1.