[1] Hosp Clin Barcelona, Barcelona Clin Liver Canc Grp, Liver Unit, Inst Invest Biomed August Pi & Sunyer,Ctr Invest, E-08036 Barcelona, Spain
[2] Mt Sinai Sch Med, New York, NY USA
[3] St Chiara Univ Hosp, Pisa, Italy
[4] Natl Canc Inst, I-20133 Milan, Italy
[5] Univ Hosp Essen, Essen, Germany
[6] Auckland City Hosp, Auckland, New Zealand
[7] Ctr Hosp Univ Hop St Andre, Bordeaux, France
[8] Hosp Clin Sao Paulo, Sao Paulo, Brazil
[9] Inst Clin Humanitas, Milan, Italy
[10] European Univ Brittany, Inst Cancerol Rennes, Rennes, France
[11] IRCCS San Matteo Univ Hosp, Pavia, Italy
[12] JW Goethe Univ Hosp, Frankfurt, Germany
[13] Univ Bologna, Bologna, Italy
[14] Hannover Med Sch, D-30623 Hannover, Germany
[15] Johannes Gutenberg Univ Mainz, Mainz, Germany
[16] Univ Mediterranee, Hop Enfants La Timone, Marseille, France
[17] Clin Univ St Luc, B-1200 Brussels, Belgium
[18] Univ Klinikum Dusseldorf, Dusseldorf, Germany
[19] Bayer Healthcare Pharmaceut, Toronto, ON, Canada
[20] Bayer Schering Pharma, Milan, Italy