[1] Univ Calif San Francisco, Dept Pathol, 1825 4th St, San Francisco, CA 94158 USA
[2] Vancouver Gen Hosp, Dept Pathol & Lab Med, Vancouver, BC, Canada
[3] Univ British Columbia, Vancouver, BC, Canada
[4] Univ Texas MD Anderson Canc Ctr, Dept Pathol, Houston, TX 77030 USA
[5] Univ Hosp Arnau de Vilanova, Dept Pathol, Lleida, Spain
[6] Univ Lleida, Univ Hosp Bellvitge, Dept Pathol, IRBLLEIDA,IDIBELL,CIBERONC, Lleida, Spain
[7] NYU, Dept Pathol, Langone Med Ctr, 550 1St Ave, New York, NY 10016 USA
[8] Brigham & Womens Hosp, Dept Pathol, 75 Francis St, Boston, MA 02115 USA
[9] Massachusetts Gen Hosp, Dept Pathol, Boston, MA 02114 USA
[10] Yale New Haven Med Ctr, Dept Pathol, 20 York St, New Haven, CT 06504 USA
[11] Johns Hopkins Med Inst, Dept Pathol, Baltimore, MD 21205 USA
[12] Univ Maryland, Sch Med, Dept Pathol, Baltimore, MD 21201 USA
[13] Univ Western Australia, Dept Histopathol, King Edward Mem Hosp, Perth, WA, Australia
[14] Univ Western Australia, Sch Womens & Infants Hlth, Perth, WA, Australia
[15] Royal Grp Hosp Trust, Dept Pathol, Belfast, Antrim, North Ireland