1. Department of Chemistry, University of New Brunswick, Saint John, New Brunswick, Canada E2L 4L5 and Department of Biology, University of New Brunswick, Saint John, New Brunswick, Canada E2L 4L5.
2. Department of Biology, University of New Brunswick, Saint John, New Brunswick, Canada E2L 4L5
3. Division of Infectious Diseases, Department of Medicine, Saint John Regional Hospital, Saint John, New Brunswick, Canada E2L 4L2