Department of Computer Science, Faculty of Science, University of Calgary, 2500 University Drive NW, Calgary, T2N 1N4, Canada. afshin@invistaware.com.|Department of Computer Science, Faculty of Science, University of Calgary, 2500 University Drive NW, Calgary, T2N 1N4, Canada. tbdaviso@ucalgary.ca.|Department of Computer Science, Faculty of Science, University of Calgary, 2500 University Drive NW, Calgary, T2N 1N4, Canada. agkwu@ucalgary.ca.|Department of Microbiology, Immunology and Infectious Diseases, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, T2N 4N1, Canada. jalcanta@ucalgary.ca.|Department of Computer Science, Faculty of Science, University of Calgary, 2500 University Drive NW, Calgary, T2N 1N4, Canada. cjacob@ucalgary.ca.