1. Department of Endocrinology and Diabetes, The Queen Elizabeth Hospital, Adelaide, South Australia, Australia
2. Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, South Australia, Australia
3. Discipline of Medicine, University of Adelaide, Adelaide, South Australia, Australia
4. Department of Anaesthesia and Perioperative Medicine, Royal Brisbane and Women’s Hospital, Brisbane, Queensland, Australia
5. Department of Anaesthesia, The Queen Elizabeth Hospital, Adelaide, South Australia, Australia
6. Discipline of Acute Care Medicine, University of Adelaide, Adelaide, South Australia, Australia
7. Department of Gastroenterology, The Queen Elizabeth Hospital, Adelaide, South Australia, Australia