[1] HYGEIA Antonis Papayiannis, Mol Biol Res Ctr, Athens 15123, Greece
[2] DTCA HYGEIA, Dept Gastroenterol, Athens, Greece
[3] Univ Ioannina, Dept Pathol, GR-45110 Ioannina, Greece
[4] Hellen Grp Study Hereditary CRC, Sch Med, Athens, Greece
[5] DTCA HYGEIA, Dept Pathol, Athens, Greece
[6] Aristotle Univ Thessaloniki, AHEPA Hosp, Thessaloniki, Greece
[7] Univ Crete, Sch Med, Iraklion, Greece
[8] Hellen Cooperat Oncol Grp, Athens, Greece