[1] Curtin Univ, Sch Publ Hlth, Perth, WA, Australia
[2] British Columbia Canc Agcy, Canc Control Res, Vancouver, BC, Canada
[3] British Columbia Canc Agcy, Ctr Lymphoid Canc, Vancouver, BC, Canada
[4] Royal Jubilee Hosp, Dept Pathol & Lab Med, Victoria, BC, Canada
[5] Univ Toronto, Dalla Lana Sch Publ Hlth, Toronto, ON, Canada
[6] British Columbia Canc Agcy, Populat Oncol, Vancouver, BC, Canada
[7] Univ British Columbia, Sch Populat & Publ Hlth, Vancouver, BC, Canada