1. Faculty of Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada
2. Department of Microbiology & Immunology, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada
3. School of Biomedical Engineering, Faculties of Medicine and Engineering, Dalhousie University, Halifax, NS B3H 4R2, Canada
4. Department of Biomaterials & Applied Oral Sciences, Faculty of Dentistry, Dalhousie University, Halifax, NS B3H 4R2, Canada
5. Nova Scotia Health, Halifax, NS, Canada