1. Department of Mechanical and Manufacturing Engineering, University of Calgary, 2500 University Dr., Calgary T2N 1N4, Alberta, Canada
2. Department of Physics and Atmospheric Science, Dalhousie University, 6299 South Street, Halifax B3H 4R2, Nova Scotia, Canada
3. Department of Community Health and Epidemiology, Dalhousie University, 6299 South Street, Halifax B3H 4R2, Nova Scotia, Canada