[1] Uppsala Univ, Dept Med Sci, S-75185 Uppsala, Sweden
[2] Haukeland Hosp, Dept Oncol, N-5021 Bergen, Norway
[3] Univ Copenhagen, Rigshosp, Fac Hlth Sci, Dept Pathol, DK-2100 Copenhagen, Denmark
[4] Aarhus Univ Hosp, Dept Gastroenterol & Hepatol, DK-8000 Aarhus, Denmark
[5] Uppsala Univ, Dept Surg Sci, S-75185 Uppsala, Sweden
[6] Aarhus Univ Hosp, Dept Oncol, DK-8000 Aarhus, Denmark
[7] Univ Copenhagen, Rigshosp, Fac Hlth Sci, Dept Oncol, DK-2100 Copenhagen, Denmark
[8] Univ Copenhagen, Rigshosp, Fac Hlth Sci, Dept Clin Physiol Nucl Med & PET, DK-2100 Copenhagen, Denmark
[9] Univ Helsinki, Cent Hosp, Dept Med, Div Endocrinol, Helsinki, Finland
[10] Uppsala Univ, Dept Radiol Oncol & Radiat Sci, Uppsala, Sweden
[11] Skane Univ Hosp, Dept Oncol, Lund, Sweden
[12] Univ Oslo, Rikshosp, Oslo Univ Hosp, Dept Organ Transplantat, N-0027 Oslo, Norway
[13] Univ Copenhagen, Rigshosp, Fac Hlth Sci, Dept Surg C, DK-2100 Copenhagen, Denmark
[14] Univ Copenhagen, Rigshosp, Fac Hlth Sci, Dept Endocrinol PE, DK-2100 Copenhagen, Denmark