Article Information
PubMed
History
- Published online May 9, 2005.
Copyright & Usage
© 2005 CMA Media Inc. or its licensors
Author Information
- Ian Janssen
- Ian Janssen is an assistant professor at the School of Physical and Health Education, and Department of Community Health and Epidemiology, Queen's University, Kingston, Ont.
- Correspondence to:
Dr. Ian Janssen, School of Physical and Health Education, Department of Community Health and Epidemiology, Queen's University, Kingston ON K7L 3N6; janssen{at}post.queensu.ca