From the *Division of Microbiology and Infectious Diseases, and †Department of Radiology, St Mary's Hospital Center, Montreal, Quebec, Canada.

Correspondence to: Joe Dylewski, MD, Division of Microbiology and Infectious Diseases, St Mary's Hospital Center, 3830 Lacombe Ave, Montreal, Quebec, H3T 1M5, Canada. E-mail: [email protected].

The authors have no funding or conflicts of interest to disclose.