1 Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada.
2 Division of Anatomical Pathology, Dalhousie University, Halifax, NS, Canada.
3 Division of Rheumatology, Dalhousie University, Halifax, NS, Canada.
4 Division of Dermatology and Cutaneous Science, Dalhousie University, Halifax, NS, Canada.
5 Division of Haematology, Dalhousie University, Halifax, NS, Canada; Division of Haematology, University of British Columbia, Vancouver, BC, Canada. Electronic address: Luke.Chen@nshealth.ca.