[1] Univ Calif San Diego, Ctr Liver, San Diego, CA 92103 USA
[2] Royal Brisbane Hosp, Brisbane, Qld 4029, Australia
[3] Johns Hopkins Univ, Baltimore, MD USA
[4] Minn Clin Res Ctr, St Paul, MN USA
[5] Prince Wales Hosp, Randwick, NSW 2031, Australia
[6] Natl Taiwan Univ Hosp, Taipei, Taiwan
[7] Univ Policlin, Bari, Italy
[8] Ctr Med Nacl Siglo XXI, Mexico City, DF, Mexico
[9] Clin Diagnost Med Integral, Vila Nova De Gaia, Portugal
[10] Hoffmann La Roche Inc, Nutley, NJ 07110 USA