1. Department of General Medicine, The Royal Adelaide Hospital, Adelaide, South Australia.
2. Department of Endocrinology, The Royal Adelaide Hospital, Adelaide, South Australia.
3. Discipline of Medicine, Adelaide Medical School, University of Adelaide, Adelaide, Australia.
4. Department of Endocrinology, Karolinska University Hospital, Stockholm, Sweden.
5. Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden.
6. Department of General Medicine, Gastroenterology and Endocrinology, Klinikum Lüdenscheid, Lüdenscheid, Germany.
7. Yandina, Australia.