1. National Reference Centre for Mycobacteriology, National Microbiology Laboratory, Health Canada, Winnipeg, Manitoba, Canada R3E 3R2
2. Laboratoire de santé publique du Québec, Institut national de santé publique du Québec, Sainte-Anne-de-Bellevue, Québec, Canada
3. Royal University Hospital, Saskatoon, Saskatchewan, Canada
4. Division of Respiratory Medicine, Department of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
5. Department of Medical Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada