[1] Yale Univ, Digest Dis Transplantat & Immunol, New Haven, CT USA
[2] Royal Surrey Cty Hosp, Gastroenterol & Hepatol, Guildford, Surrey, England
[3] Univ Surrey, Surrey, England
[4] Kings Coll Hosp London, Hepatol, London, England
[5] Yale Univ, Psychiat, New Haven, CT USA
[6] Yale Univ, Neurol, New Haven, CT USA
[7] Yale Univ, Biostat, New Haven, CT USA