1. The Novel Drug and Vaccine Delivery Systems Facility, Department of Chemistry and Biochemistry, Laurentian University, Sudbury, Ontario P3E 2C6, Canada
2. University of Texas at Tyler, Department of Biology, 3900 University Blvd, Tyler, Texas 75799
3. Division of Tumour Biology, Northeastern Ontario Regional Cancer Centre, Sudbury, Ontario, Canada P3E 5J1, Canada