1. Department of Internal Medicine, Memorial University, St Johnߣs, Newfoundland and Labrador, Canada
2. Division of Hematology, Memorial University, St Johnߣs, Newfoundland and Labrador, Canada
3. Division of Gastroenterology, Memorial University, St Johnߣs, Newfoundland and Labrador, Canada
4. Department of Pathology, Memorial University, St Johnߣs, Newfoundland and Labrador, Canada
5. Division of Infectious Diseases, Memorial University, St Johnߣs, Newfoundland and Labrador, Canada