1. Department of Surgery; University of Melbourne, Austin Health; Victoria Australia
2. Department of Endocrinology; St. Vincent's Hospital; Victoria Australia
3. Department of Anesthesia and Pain Management; Royal Melbourne Hospital; Parkville Australia
4. Department of Anesthesia; Perioperative and Pain Medicine Unit, The University of Melbourne; Parkville Australia
5. Endocrine Surgery Unit; Royal Melbourne Hospital; Victoria Australia
6. Epworth Freemasons Hospital; Victoria Australia
7. University of Melbourne Department of Surgery; Victoria Australia