1. Department of Medical Microbiology and Infectious Diseases, Max Rady College of Medicine, University of Manitoba , Room 543-745, Bannatyne Avenue, Winnipeg, Manitoba R3E 0J9 , Canada
2. Division of Pulmonary, Critical Care Medicine, Allergy, and Clinical Immunology Department of Medicine, David Geffen School of Medicine at UCLA , 10833 Le Conte Ave, Room 37-131 CHS, Los Angeles, CA 90095 , USA
3. Clinical Microbiology, Shared Health , MS673-820 Sherbrook Street, Winnipeg, Manitoba R3A 1R9 , Canada