1. Department of Chemistry, Dalhousie University, Halifax, Nova Scotia, Canada
2. Merck Frosst Canada, Inc., 16711 Trans Canada Highway, H9H 3L1, Kirkland, Quebec, Canada
3. Institute for Marine Biosciences, National Research Council, Halifax, Nova Scotia, Canada
4. Ocean Nutrition Canada, 1721 Lower Water Street, B3J 1S5, Halifax, Nova Scotia, Canada