[1] Temple Univ, Ctr Biotechnol, Sbarro Inst Canc Res & Mol Med, Philadelphia, PA 19122 USA
[2] Human Hlth Fdn, Terni, Italy
[3] ASL SA, Gen Hosp, Sarno, SA, Italy
[4] Natl Res Council ISPAAM, Naples, Italy
[5] Local Hlth Author Naples ASL NA1, Naples, Italy
[6] London Sch Hyg & Trop Med, London WC1, England
[7] Thomas Jefferson Univ, Jefferson Med Coll, Dept Surg, Philadelphia, PA 19107 USA
[8] Natl Canc Inst Regina Elena, Dept Dev Therapeut Programs, Rome, Italy
[9] Univ Siena, Dept Human Pathol & Oncol, I-53100 Siena, Italy