1 Medicine and Pathology, Division of Rheumatology, Department of Medicine and Department of Pathology, Rheumatologist, Queen Elizabeth II Health Sciences Center and Dalhousie University, Halifax, Nova Scotia B3H 4K4, Canada. Electronic address: john.hanly@nshealth.ca.
2 Internal Medicine and Rheumatology, Division of Rheumatology, Department of Internal Medicine, Istanbul Faculty of Medicine, Istanbul University, Capa 34093, İstanbul, Turkey.