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History
- Received March 14, 2008
- Revision received May 6, 2008
- Accepted November 24, 2008
- Published online April 1, 2009.
Copyright & Usage
© British Journal of General Practice, 2009.
Author Information
- Iris Nijrolder, MSc, Epidemiologist,
- Daniëlle van der Windt, PhD, Associate Professor in Primary Care Epidemiology and
- Henriëtte van der Horst, PhD, MD, Professor in General Practice
- Address for correspondence Iris Nijrolder, EMGO Institute, VU University Medical Centre, Van der Boechorststraat 7, 1081 BT Amsterdam, the Netherlands. E-mail: i.nijrolder{at}vumc.nl