[1] Univ Nottingham, Nottingham Digest Dis Ctr, Sch Med, Translat Med Sci, Nottingham, England
[2] Mayo Clin, Div Gastroenterol & Hepatol, Rochester, MN 55905 USA
[3] Locat Univ Amsterdam, Emma Childrens Hosp, Amsterdam UMC, Pediat Gastroenterol, Amsterdam, Netherlands
[4] Harvard Med Sch, Dept Psychiat, Boston, MA USA
[5] Imperial Coll NHS Trust, Dept Surg & Canc, London, England
[6] Univ Calif Los Angeles, G Oppenheimer Ctr Neurobiol Stress, Los Angeles, CA USA
[7] Univ Calif Los Angeles, David Geffen Sch Med, Vatche & Tamar Manoukian Div Digest Dis, Los Angeles, CA USA
[8] Nationwide Childrens Hosp, Dept Pediat, Div Gastroenterol Hepatol & Nutr, Columbus, OH USA
[9] Univ Coll London Hosp NHS Fdn Trust, Dept Child & Adolescent Psychol Med, London, England
[10] Erasmus MC, Sophia Childrens Hosp, Dept Pediat Gastroenterol, Rotterdam, Netherlands
[11] Locat Univ Amsterdam, Emma Childrens Hosp, Amsterdam UMC, Dept Pediat Surg, Amsterdam, Netherlands
[12] Patient Representat, London, England
[13] Med Coll Wisconsin, Dept Pediat, Div Pediat Gastroenterol Hepatol & Nutr, Milwaukee, WI USA
[14] Erasmus MC, Dept Internal Med, Div Dietet, Rotterdam, Netherlands
[15] Childrens Hosp Boston, Ctr Motil & Funct Gastrointestinal Disorders, Div Gastroenterol, Boston, MA USA
[16] Cape Fear Valley Hlth, Grad Med Educ, Fayetteville, NC USA
[17] Marshall Univ, Joan C Edwards Sch Med, Huntington, WV USA
[18] Univ North Carolina, Dept Gastroenterol & Hepatol, Chapel Hill, NC USA
[19] Univ Washington, Sch Social Work, Seattle, WA USA
[20] Univ Coll London Hosp NHS Fdn Trust, Dept Gastroenterol & Gastrointestinal Physiol, London, England
[21] UCL, Div Surg & Intervent Sci, London, England