[1] St Georges Univ London, London, England
[2] Univ Nicosia, Univ Nicosia Med Sch, Nicosia, Cyprus
[3] Univ Queensland, Sch Biomed Sci, St Lucia, Qld, Australia
[4] Mayo Clin, Dept Gastroenterol & Hepatol, Rochester, MN USA
[5] Mid & South Essex NHS Fdn Trust, Basildon, Essex, England
[6] Menzies Hlth Inst Queensland, Sch Hlth Sci & Social Work, Gold Coast, Qld, Australia
[7] Bone Clin Pty Ltd, Brisbane, Qld, Australia
[8] Univ Queensland, Sch Biomed Sci, St Lucia 4072, Australia