[1] Univ Med Ctr Utrecht, Hubrecht Inst Dev Biol & Stem Cell Res, NL-3584 CT Utrecht, Netherlands
[2] Inst Med Biol, Singapore 138648, Singapore
[3] Univ Med Ctr, NL-3584 CX Utrecht, Netherlands
[4] Antoni Van Leeuwenhoek Hosp, Netherlands Canc Inst, NL-1066 CX Amsterdam, Netherlands
[5] CRUK London Res Inst, Histopathol Lab, London WC2A 2LY, England
[6] CRUK London Res Inst, ISH Serv, London WC2A 2LY, England
[7] Queen Mary Univ London, Barts & London Sch Med & Dent, Blizard Inst, London E1 2AT, England