1. Department of Medicine, University of Ireland, Galway, Ireland
2. Chronic Viral Illness Service and Research Institute of the McGill University Health Centre, Montreal, Canada
3. Division of Hematology, McGill University Health Centre, Royal Victoria Hospital: Glen Site, Montreal, Canada
4. Division of Respirology, McGill University Health Centre, Royal Victoria Hospital: Glen Site, Montreal, Canada
5. Clinical Outcomes Research and Evaluation (CORE), Research Institute of the McGill University Health Centre, Montreal, Canada
6. Division of Infectious Diseases, McGill University Health Centre, Royal Victoria Hospital: Glen Site, Montreal, Canada