[1] Cisanello Univ Hosp, Pisa, Italy
[2] Bayer HealthCare Pharmaceut, Shanghai, Peoples R China
[3] Bayer Sante, Div Bayer Schering Pharma, Loos, France
[4] Bayer HealthCare Pharmaceut, Montville, NJ USA
[5] Hosp Clin Barcelona, Barcelona Clin Liver Canc Grp, Liver Unit, CIBERend,IDIBAPS, Barcelona, Spain
[6] Mt Sinai Sch Med, Mt Sinai Liver Canc Program, New York, NY USA