1. School of Biomedical Engineering, Faculties of Medicine and Engineering, Dalhousie University, Halifax B3H 4R2, Nova Scotia, Canada
2. Department of Applied Oral Sciences, Faculty of Dentistry, Dalhousie University, Halifax B3H 4R2, Nova Scotia, Canada
3. Department of Pathology, Faculty of Medicine, Dalhousie University, Halifax B3H 4R2, Nova Scotia, Canada