1. Michael Smith Laboratories and Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
2. Department of Pathobiology and Diagnostic Investigation, Institute for Integrative Toxicology, Michigan State University, East Lansing, Michigan 48823, United States
3. Blood Research Institute, Versiti, Milwaukee, Wisconsin 53226, United States
4. Departments of Surgery, Biochemistry, Biomedical Engineering, and Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, United States