[1] Univ Leeds, St Jamess Univ Hosp, Leeds Inst Canc & Pathol, Leeds LS9 7TF, W Yorkshire, England
[2] Queen Mary Univ London, Barts Canc Inst, Ctr Tumour Biol, London, England
[3] Univ Dundee, Ninewells Hosp & Med Sch, Dept Pathol, Dundee DD1 9SY, Scotland
[4] Semmelweis Univ Budapest, Dept Pathol 2, H-1091 Budapest, Hungary