[1] Shaare Zedek Med Ctr, Dept Oncol, Med Oncol & Palliat Med Serv, Jerusalem, Israel
[2] Tel Aviv Univ, Sch Med, Chaim Sheba Med Ctr, IL-69978 Tel Aviv, Israel
[3] Methaxa Canc Ctr, Piraeus, Greece
[4] Policlin Div Oncol Med, Perugia, Italy
[5] Pierantoni Hosp, Dept Med Oncol, Forli, Italy
[6] JohanniterKrankenhaus Rheimhausen, Duisburg, Germany
[7] Inst Med Onkol, Nurnberg, Germany
[8] Univ Essen Gesamthsch Klinikum, D-4300 Essen, Germany
[9] Oncol Inst Bucharest, Bucharest, Romania
[10] Russian Acad Med Sci, Canc Res Ctr, Moscow, Russia
[11] M Skledowska Curie Inst Canc Ctr, Warsaw, Poland
[12] Univ Hosp, Dept Oncol, Tampere, Finland
[13] Middelheim Hosp, Antwerp, Belgium
[14] Baskent Univ, Fac Med, TR-06490 Ankara, Turkey
[15] Sandton Oncol Ctr, Pretoria, South Africa
[16] Univ Teaching Hosp, Kosice, Slovakia
[17] Univ Debrecen, H-4012 Debrecen, Hungary
[18] Ist Portugues Oncol, Losboa, Portugal