[1] CNIO, Monoclonal Antibodies Unit, Madrid, Spain
[2] CNIO, Pathol Program, Madrid, Spain
[3] CNIO, Cytogenet Unit, Madrid, Spain
[4] CNIO, Immunohistocheistry Unit, Madrid, Spain
[5] Fukuoka Univ, Aichi Canc Ctr, Sch Med, Dept Pathol, Fukuoka, Japan
[6] Aichi Canc Ctr, Dept Pathol & Mol Diagnost, Nagoya, Aichi 464, Japan
[7] Univ Oxford, Nuffirl Dept Clin Lab Sci, Oxford, England