[1] Jewish Gen Hosp, Lady Davis Inst Med Res, Montreal, PQ, Canada
[2] McGill Univ, Dept Psychiat, Montreal, PQ, Canada
[3] Radboud Univ Nijmegen, Behav Sci Inst, Dept Clin Psychol, Nijmegen, Netherlands
[4] McGill Univ, Dept Epidemiol Biostat & Occupat Hlth, Montreal, PQ, Canada
[5] Univ Calgary, Dept Community Hlth Sci, Calgary, AB, Canada
[6] Univ Calgary, Hotchkiss Brain Inst, Calgary, AB, Canada
[7] Univ Calgary, OBrien Inst Publ Hlth, Calgary, AB, Canada
[8] McGill Univ, Dept Med, Montreal, PQ, Canada
[9] McGill Univ, Hlth Ctr, Res Inst, Montreal, PQ, Canada
[10] Univ Paris 05, AP HP, Paris, France
[11] Hop Cochin, AP HP, Ctr Reference Malad Syst Autoimmunes Rares Ile Fr, Serv Med Interne, Paris, France
[12] Northwestern Univ, Feinberg Sch Med, Northwestern Scleroderma Program, Chicago, IL 60611 USA
[13] McGill Univ, Hlth Ctr, Resp Epidemiol & Clin Res Unit, Montreal, PQ, Canada
[14] McGill Univ, Dept Psychol, Montreal, PQ, Canada
[15] McGill Univ, Dept Educ & Counselling Psychol, Montreal, PQ, Canada
[16] McGill Univ, Biomed Eth Unit, Montreal, PQ, Canada