[1] Ist Nazl Tumori, Unita Sperimentaz Clin, Naples, Italy
[2] Seconda Univ Napoli, Dipartimento Med Pubbl Clin & Prevent, Naples, Italy
[3] Hosp Gen Univ, Valencia, Spain
[4] Hop Lyautey, Strasbourg, France
[5] Martha Maria City Hosp Halle Doelau, Halle, Germany
[6] Azienda Osped S Giuseppe Moscati, Avellino, Italy