1. Semmelweis Univ, Budapest, Hungary; Wielkopolskie Centrum Onkologii, Poznan, Poland; Univ Cattolica del Sacro Cuore, Rome, Italy; North-Estonian Regional Hosp Cancer Ctr, Tallinn, Estonia; Klin Rechts der Isar, Munich, Germany; Markusovsky Hosp, Szombathely, Hungary; Ege Univ Hosp, Izmir, Turkey; Sanofi-Aventis, Antony, France; Inst Claudius Régaud, Toulouse, France