[1] Natl Hosp Norway, Radiumhosp, Canc Res Inst, Med Ctr,Dept Genet, N-0310 Oslo, Norway
[2] Natl Canc Inst, Dept Expt Oncol, Milan, Italy
[3] Univ Oslo, Inst Informat, Fac Math & Nat Sci, N-0316 Oslo, Norway
[4] Natl Hosp Norway, Radiumhosp, Med Ctr, Canc Clin,Dept Oncol, Oslo, Norway
[5] Natl Hosp Norway, Radiumhosp, Med Ctr, Canc Clin,Dept Pathol, Oslo, Norway
[6] Univ Oslo, Fac Med, N-0316 Oslo, Norway
[7] Univ Kuopio, Dept Biomed Anat, Kuopio, Finland
[8] Kuopio Univ Hosp, Dept Oncol, Kuopio, Finland
[9] Univ Kuopio, Kuopio Univ Hosp, Inst Clin Med Pathol & Forens Med, Kuopio, Finland