[1] Spanish Natl Canc Res Ctr, Lymphoma Group, Madrid, Spain
[2] Univ Wisconsin, Dept Pathol & Lab Med, Madison, WI 53706 USA
[3] Spanish Natl Canc Res Ctr, Human Canc Genet Programme, Mol Cytogenet Grp, Madrid, Spain
[4] Univ Navarra, Div Oncol, Ctr Appl Med Res, E-31080 Pamplona, Spain
[5] Cecilia Univ Hosp, Tumor Bank Network Andalucia, Granada, Spain
[6] Spanish Natl Canc Res Ctr, Biotechnol Programme, Histol & Immunohistochem Core Unit, Madrid, Spain