1. Department of Laboratory Medicine and the Keenan Research Centre for Biomedical Science at the Li KaShing Knowledge Institute St. Michael's Hospital Toronto M5B 1W8 Canada
2. Department of Laboratory Medicine and Pathobiology University of Toronto Toronto ON M5S 1A8 Canada
3. Departments of Biochemistry and Molecular Biology University of Athens 15701 Athens Greece
4. Departments of Chemistry and Centre for Research on Biomolecular Interactions York University Toronto Ontario M3J 1P3 Canada
5. Department of Chemistry University of Athens 15771 Athens Greece
6. Department of Pathology London Health Sciences Center and Western University London N6A 5W9 Canada