Letter to the editor

Affiliations

• ¹ Department of Internal Medicine, University of Manitoba.
• ² Diagnostic Services of Manitoba.
• ³ Department of Internal Medicine, Department of Medical Microbiology, Department of Community Health Sciences.
• ⁴ Department of Internal Medicine, Department of Medical Microbiology.
• ⁵ Department of Internal Medicine, Department of Medical Microbiology, Department of Community Health Sciences, University of Manitoba, Winnipeg, Manitoba.