[1] Oslo Univ Hosp, ENTES Neuroendocrine Tumor Ctr Excellence, Dept Oncol, Oslo, Norway
[2] Oslo Univ Hosp, Div Radiol & Nucl Med, Dept Nucl Med, Oslo, Norway
[3] Aalborg Univ Hosp, Clin Canc Res Ctr, Dept Oncol, Aalborg, Denmark
[4] Aarhus Univ Hosp, ENETS Neuroendocrine Tumor Ctr Excellence, Dept Oncol, Aarhus, Denmark
[5] Haukeland Univ Sykehus, Dept Clin Sci, Dept Oncol, Bergen, Norway
[6] Oslo Univ Hosp, ENETS Neuroendocrine Tumor Ctr Excellence, Inst Clin Med, Dept Nucl Med,Div Radiol & Nucl Med, Oslo, Norway