[1] Copenhagen Univ Hosp, Dept Surg & Transplantat, Rigshosp, Copenhagen, Denmark
[2] Copenhagen Univ Hosp Herlev & Gentofte, Dept Gastroenterol, Copenhagen, Denmark
[3] Zealand Univ Hosp, Ctr Surg Sci, Dept Surg, Lykkebwkvej 1, DK-4600 Koege, Denmark
[4] Naestved Slagelse Ringsted Hosp, Dept Physiotherapy & Occupat Therapy, Res Unit PROgrez, DK-4200 Slagelse, Region Zealand, Denmark
[5] Univ Southern Denmark, Dept Reg Hlth Res, Odense, Denmark
[6] Univ Copenhagen, Dept Clin Med, Copenhagen, Denmark
[7] Copenhagen Univ Hosp Herlev & Gentofte, Dept Anaesthesiol, Herlev Acute Crit & Emergency Care Sci Grp, Copenhagen, Denmark
[8] Copenhagen Univ Hosp Herlev & Gentofte, Dept Hematol, Copenhagen, Denmark
[9] Copenhagen Univ Hosp, Dept Surg & Transplantat, Clin C, Rigshosp, Copenhagen, Denmark
[10] Copenhagen Univ Hosp Herlev & Gentofte, Dept Physiotherapy & Occupat Therapy, Copenhagen, Denmark
[11] Copenhagen Univ Hosp Herlev & Gentofte, Hosp Secretariat & Commun Res, Copenhagen, Denmark