[1] Univ Bari, Sch Med, Internal Med, Immunol,Infect Dis, Bari, Italy
[2] Hop Beaujon, Clichy, France
[3] Ist Clin Humanitas, Milan, Italy
[4] Univ Calif San Francisco, San Francisco, CA 94143 USA
[5] Hop Croix Rousse, F-69317 Lyon, France
[6] Auckland City Hosp, Auckland, New Zealand
[7] Ctr Rene Gauducheau, St Herblain, France
[8] Univ Klinikum Koln, Cologne, Germany
[9] Northwestern Univ, Chicago, IL 60611 USA
[10] Hosp Henri Mondor, Creteil, France
[11] Vall dHebron Hosp, Liver Unit, Med Oncol, Barcelona, Spain
[12] Eli Lilly & Co, Indianapolis, IN 46285 USA