1. Endocrine Surgical Unit, Royal North Shore Hospital Northern Sydney Local Health District Sydney New South Wales Australia
2. Northern Clinical School, Sydney Medical School, Faculty of Medicine and Health University of Sydney Sydney New South Wales Australia
3. NSW Health Pathology, Department of Anatomical Pathology Royal North Shore Hospital Sydney New South Wales Australia
4. Cancer Diagnosis and Pathology Group, Kolling Institute of Medical Research Royal North Shore Hospital Sydney New South Wales Australia
5. Monash University Endocrine Surgery Unit Alfred Hospital Melbourne Victoria Australia
6. Department of Surgery, Central Clinical School Monash University Melbourne Victoria Australia