[1] UCL, ILDH, London, England
[2] EF CLIF, Barcelona, Spain
[3] Kings Coll Hosp London, London, England
[4] Inst Hepatol, London, England
[5] Basildon & Thurrock Univ Hosp NHS Fdn Trust, Basildon, Essex, England
[6] Yakult GB, Ruislip, Middx, England