1 Cumming School of Medicine, Department of Medicine (Prosperi-Porta, Oleynick, Vaughan), University of Calgary, Calgary, Alta.; Division of Infectious Diseases, Department of Medicine (Vaughan), Foothills Medical Centre, Calgary, Alta. Graeme.prosperiporta@ucalgary.ca.
2 Cumming School of Medicine, Department of Medicine (Prosperi-Porta, Oleynick, Vaughan), University of Calgary, Calgary, Alta.; Division of Infectious Diseases, Department of Medicine (Vaughan), Foothills Medical Centre, Calgary, Alta.