[1] Cty Council Ostergotland, Univ Hosp Linkoping, Dept Gastroenterol, Linkoping, Sweden
[2] Linkoping Univ, Dept Biomed & Clin Sci BKV, Div Inflammat & Infect, Linkoping, Sweden
[3] Linkoping Univ, Pain & Rehabil Ctr, Linkoping, Sweden
[4] Linkoping Univ, Dept Hlth Med & Caring Sci HMV, Linkoping, Sweden
[5] Macquarie Univ, Sch Psychol Sci, N Ryde, NSW, Australia
[6] Linkoping Univ, Div Soc & Hlth, Dept Hlth Med & Caring Sci HMV, Linkoping, Sweden
[7] Linkoping Univ, Dept Hlth Med & Caring Sci HMV, Div Diagnost & Specialist Med, Linkoping, Sweden