[1] Copenhagen Univ Hosp, Dept Surg & Transplantat, Rigshosp, Copenhagen, Denmark
[2] Haukeland Hosp, Dept Oncol, Bergen, Norway
[3] Copenhagen Univ Hosp, Dept Pathol, Rigshosp, Copenhagen, Denmark
[4] Arhus Univ Hosp, Dept Oncol, Aarhus, Denmark
[5] Odense Univ Hosp, Dept Oncol, Odense, Denmark
[6] Uppsala Univ, Dept Med Sci, Endocrine Oncol, Uppsala, Sweden
[7] Stavanger Univ Hosp, Dept Oncol, Stavanger, Norway
[8] Copenhagen Univ Hosp, Dept Oncol, Rigshosp, Copenhagen, Denmark