[1] Hop Cochin, F-75674 Paris, France
[2] Univ Colorado Denver & Hosp, Denver, CO USA
[3] Methodist Dallas Med Ctr, Liver Inst, Dallas, TX USA
[4] Metropolitan Res, Fairfax, VA USA
[5] Res Inst, Springfield, MA USA
[6] Opt Hlth Res, Tulsa, OK USA
[7] Yale Univ, Sch Med, New Haven, CT USA
[8] CHU Henri Mondor, F-94010 Creteil, France
[9] Bristol Myers Squibb Co, Wallingford, CT 06492 USA