1. Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, Nova Scotia, Canada.
2. IFREMER, BRM, EM3B Laboratory, Nantes, CEDEX 3, France.
3. Department of Applied Oral Sciences, Faculty of Dentistry, Dalhousie University, Halifax, Nova Scotia, Canada.
4. Department of Pathology, Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada.