[1] Northwestern Univ, Feinberg Sch Med, Div Gastroenterol, Chicago, IL USA
[2] Municipal Practice & Acad Practice Heraklion, Local Primary Care Team 24, Iraklion, Greece
[3] New Rd Surg, Rickmansworth, England
[4] Malaysian Community Pharm Guild MCPG, Petaling Jaya, Malaysia
[5] Univ Sao Paulo, Sch Med, Dept Gastroenterol, Sao Paulo, Brazil
[6] Univ Miguel Hernandez, Dept Engn, Area Pharm & Pharmaceut Technol, Alicante 03550, Spain
[7] CIBERESP, CIBER Epidemiol & Publ Hlth, Madrid, Spain
[8] Independent Community Pharm Assoc NPC, Cape Town, South Africa
[9] Univ Barcelona, Catalan Hlth Inst, La Mina Primary Care Acad Ctr, Barcelona, Spain
[10] Newcastle Univ, Fac Med Sci, Primary Care & Gen Practice, Newcastle Upon Tyne, England