Article Information
Author Information
- David Maberley,
- Hugh Walker,
- Anita Koushik,
- Alan Cruess
- From the Department of Ophthalmology, University of British Columbia, Vancouver, BC (Maberley); the Department of Health Economics, Queen's University, Kingston, Ont. (Walker); the Department of Epidemiology and Biostatistics, McGill University, Montreal, Que. (Koushik); and the departments of Ophthalmology and of Community Health and Epidemiology, Queen's University (Cruess).