1. Dalhousie University, Department of Physics and Atmospheric Science, Halifax, Nova Scotia, B3H 4R2, Canada
2. Simon Fraser University, Department of Physics, Burnaby, British Columbia, V5A 1S6, Canada
3. BC Cancer Agency Research Centre, Imaging Unit—Integrative Oncology, Vancouver, British Columbia, V5Z 1L3, Canada
4. Dalhousie University, Department of Microbiology and Immunology, Halifax, Nova Scotia, B3H 4R2, Canada