Spine Focus Issue Introduction

Address reprint requests to Claire Bombardier, MD, FRCP Institute for Work & Health 250 Bloor Street East, Suite 702 Toronto, Ontario M4W 1E6, Canada E-mail: [email protected] From the Institute for Work & Health, Toronto, Canada; the Arthritis & Autoimmunity Research Centre, University Health Network, Toronto, Canada; the Clinical Epidemiology and Health Care Research Program, Department of Medicine, and Department of Health Administration, University of Toronto, Toronto, Canada; and the Department of Medicine, Mt. Sinai Hospital and University Health Network, Toronto, Canada.