[1] Copenhagen Univ Hosp Herlev & Gentofte, Dept Physiotherapy & Occupat Therapy, Borgmester Ib Juuls Vej 1, Copenhagen, Denmark
[2] Copenhagen Univ Hosp Herlev & Gentofte, Dept Neurol, Neurovasc Res Unit, Borgmester Ib Juuls Vej 1, Copenhagen, Denmark
[3] Copenhagen Univ Hosp Herlev & Gentofte, Dept Gastroenterol, Copenhagen, Denmark
[4] Univ Copenhagen, Dept Clin Med, Copenhagen, Denmark