1 Department of Psychiatry, Centre for Mental Health, University Health Network, University of Toronto, Toronto, Ontario, Canada.
2 Division of Immunology/Rheumatology, Stanford University, Palo Alto, CA, USA.
3 SDG, LLC, Cambridge, MA, USA.
4 Division of Rheumatology, Department of Medicine, University of Toronto Lupus Clinic, Centre for Prognosis Studies in Rheumatic Diseases, Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto Western Hospital, Toronto, Ontario, Canada.