[1] Mayo Clin, Rochester, MN 55905 USA
[2] London Hlth Sci Ctr, Dept Gen Surg, London, ON, Canada
[3] Univ Michigan Hlth Syst, Dept Internal Med, Ann Arbor, MI USA
[4] Univ Barcelona, Sch Med, Hosp Clin, Liver Unit, Barcelona, Spain
[5] Univ Utah, Sch Med, Dept Nephrol, Salt Lake City, UT USA
[6] Univ Western Ontario, Sch Med, London, ON, Canada
[7] McGill Univ, Dept Med, Ctr Hlth, Montreal, PQ, Canada
[8] Univ Tennessee, Transplant Inst, Memphis, TN USA
[9] Baylor Univ, Med Ctr, Dallas, TX USA
[10] Hosp Clin Barcelona, Barcelona, Spain
[11] Queen Elizabeth Hosp, Birmingham B15 2TH, W Midlands, England
[12] Univ Calif San Francisco, Med Ctr, Dept Transplant Surg, San Francisco, CA 94143 USA
[13] Univ Washington, Med Ctr, Dept Med, Seattle, WA 98195 USA
[14] Mayo Clin, Jacksonville, FL 32224 USA