[1] Univ British Columbia, BC Canc Vancouver, Vancouver, BC, Canada
[2] BC Canc Vancouver, Vancouver, BC, Canada
[3] Pancreas Ctr BC, Vancouver, BC, Canada
[4] Univ Hlth Network, Princess Margaret Canc Ctr, Toronto, ON, Canada
[5] Vancouver Gen Hosp, Dept Pathol Lab Med, Vancouver, BC, Canada
[6] British Columbia Canc Res Ctr, Vancouver, BC, Canada
[7] Providence Hlth St Pauls Hosp, Vancouver, BC, Canada
[8] Oregon Hlth & Sci Univ, Portland, OR USA
[9] Ottawa Hosp, Canc Ctr, Ottawa, ON, Canada
[10] Univ Hlth Network, Toronto, ON, Canada
[11] Queens Univ, Canadian Canc Trials Grp, Kingston, ON, Canada