1. Endocrine Surgical Unit, University of Sydney, Sydney, Australia.
2. Screening and Test Evaluation Program, School of Public Health, University of Sydney, Sydney, Australia.
3. School of Public Health and Community Medicine, University of New South Wales, Sydney, Australia.
4. Department of Endocrinology and Endocrine Surgery, Royal North Shore Hospital, St Leonards, Australia.
5. School of Information Technology, University of Sydney, Sydney, Australia.
6. Department of Endocrinology, Royal North Shore Hospital, St Leonards, Australia.
7. Section of Endocrine Surgery, University of California, Los Angeles, California.