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History
- Received May 12, 2008
- Revision received July 1, 2008
- Accepted September 16, 2008
- Published online January 1, 2009.
Copyright & Usage
© British Journal of General Practice, 2009.
Author Information
- Paul GH Janssen, MD, PhD, GP and
- Kees J Gorter, MD, PhD, GP
- Ronald P Stolk, MD, PhD, Professor of Clinical Epidemiology
- Guy EHM Rutten, MD, PhD, Professor of Primary Care
- Julius Center for Health Sciences and Primary Care, University Medical Center, Utrecht, the Netherlands
- Department of Epidemiology, University Medical Center, Groningen, the Netherlands
- Julius Center for Health Sciences and Primary Care, University Medical Center, Utrecht, the Netherlands
- Address for correspondence Paul Janssen, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Stratenum 6.101, PO Box 85060, 3508 AB Utrecht, the Netherlands. E-mail: pjanssen{at}nlzorg.net