1. Department of Infectious Diseases and Medical Microbiology; Hôpital Maisonneuve-Rosemont; Université de Montréal; Montréal QC Canada
2. Division of Infectious Diseases; Department of Medicine; Beth Israel Deaconess Medical Center; Harvard Medical School; Boston MA USA
3. Division of Infectious Diseases; Department of Medicine; Johns Hopkins University School of Medicine; Baltimore MD USA
4. Division of Hematology; Department of Medicine; Hôpital Maisonneuve-Rosemont; Université de Montréal; Montréal QC Canada