[1] Odense Univ Hosp, Dept Med Gastroenterol, Odense, Denmark
[2] Univ Coll Lillebaelt, Dept Nursing, Odense, Denmark
[3] Odense Univ Hosp, Res Unit Med Gastroenterol, Odense, Denmark
[4] Univ Southern Denmark, Odense, Denmark
[5] Univ Southern Denmark, OPEN, Odense, Denmark
[6] Odense Univ Hosp, Dept Geriatr, Odense, Denmark
[7] Univ Southern Denmark, Dept Clin Res, Geriatr Res Unit, Odense, Denmark
[8] Odense Univ Hosp, Allergy Ctr, Dept Dermatol, DK-5000 Odense, Denmark
[9] Univ Southern Denmark, Dept Med Gastroenterol, Odense, Denmark
[10] Univ Southern Denmark, Dept Reg Hlth Res, Odense, Denmark
[11] Odense Univ Hosp, Dept Med Gastroenterol, DK-5000 Odense, Denmark