[1] Aarhus Univ Hosp, Res Clin Funct Disorders & Psychosomat, Norrebrogade 44, DK-8000 Aarhus, Denmark
[2] Univ Coll Southern Denmark, Lembckesvej 3-7, DK-6100 Haderslev, Denmark
[3] Odense Univ Hosp, Hans Christian Andersen Childrens Hosp, Klovervaenget 23, DK-5000 Odense, Denmark
[4] Res Unit Gen Practice, Bartholins Alle 2, DK-8000 Aarhus, Denmark
[5] Aarhus Univ, Dept Clin Med, Norrebrogade 44, DK-8000 Aarhus C, Denmark