[1] Univ Alberta, Dept Med, Div Rheumatol, Edmonton, AB, Canada
[2] Univ Montreal, Notre Dame Hosp, Hosp Res Ctr CRCHUM, Montreal, PQ H3C 3J7, Canada
[3] St Luc Hosp, Dermatol Serv, Dept Med, Montreal, PQ, Canada
[4] Univ Montreal, Sacre Coeur Hosp Montreal, Montreal, PQ, Canada
[5] Univ British Columbia, Dept Dermatol & Skin Sci, Vancouver, BC V5Z 1M9, Canada
[6] Univ Toronto, Div Dermatol, Toronto, ON, Canada
[7] Western Univ Canada, Dept Med, Div Rheumatol, London, England
[8] Lynde Dermatol, Markham, ON, Canada
[9] Western Univ Canada, Dpeartment Med, Div Rheumatol, London, ON, Canada
[10] Mem Univ Newfoundland, Fac Med, St John, NF, Canada
[11] Univ British Columbia, Vancouver, BC V5Z 1M9, Canada
[12] Univ Laval, Ctr Hosp Univ Montreal CHUL, Rheumat Dis Unit, Dept Med, Montreal, PQ, Canada
[13] Innovaderm Res, Montreal, PQ, Canada
[14] Ctr Hosp Univ Montreal CHUM, Rheumat Dis Unit, Dept Med, Montreal, PQ, Canada