[1] St Vincents Hosp, Dept Endocrinol & Diabet, Melbourne, Vic, Australia
[2] Peter MacCallum Canc Ctr, Ctr Canc Imaging, Melbourne, Vic, Australia
[3] Royal Brisbane & Womens Hosp, Dept Nucl Med & Specialised PET Serv, Brisbane, Qld, Australia
[4] Peter MacCallum Canc Ctr, Neuroendocrine Serv, Melbourne, Vic, Australia
[5] St Vincents Hosp, Dept Pathol, Melbourne, Vic, Australia
[6] Univ Melbourne, Dept Med, Melbourne, Vic, Australia