[1] Univ Toronto, Factor Inwentash Fac Social Work, Toronto, ON, Canada
[2] Womens Coll Hosp, Womens Coll Res Inst, Toronto, ON, Canada
[3] Univ Toronto, Dept Appl Psychol & Human Dev, Toronto, ON, Canada
[4] Simon Fraser Univ, Fac Hlth Sci, Vancouver, BC, Canada
[5] McGill Univ, Dept Family Med, Montreal, PQ, Canada
[6] McGill Univ, Chron Viral Illness Serv, Hlth Ctr, Montreal, PQ, Canada
[7] Univ Toronto, Dalla Lana Sch Publ Hlth, Toronto, ON, Canada
[8] Univ Toronto, Dept Med, Toronto, ON, Canada