[1] UNIV NAPLES,FAC MED 1,IST PATOL GEN & ONCOL,CATTEDRA PATOL GEN 2,S ANDREA GAME 2,I-80138 NAPLES,ITALY
[2] UNIV NAPLES,FAC MED 1,IST PATOL GEN & ONCOL,CATTEDRA INST PATOL GEN 1,I-80138 NAPLES,ITALY
[3] CNR,IST INT GENET & BIOFIS,I-80125 NAPOLI,ITALY
[4] FAC MED STRASBOURG,INSERM,GENET MOLEC EUCARYOTES LAB,INSERM,F-67085 STRASBOURG,FRANCE