[1] CNR, IFT, UOS, Laquila, Italy
[2] Osped SS Trinita, Dipartimento Chirurg Gen, Popoli, PE, Italy
[3] Osped SS Trinita, Lab Anal Clin, Popoli, PE, Italy
[4] Osped S Spirito, UOC Microbiol & Virol Clin, Pescara, Italy
[5] Osped SS Trinita, Ctr Trasfus, Popoli, PE, Italy
[6] Univ G DAnnunzio Chieti, Fac Med, Pescara, Italy
[7] Osped S Salvatore, Dipartimento Gastroenterol, Laquila, Italy