[1] Royal North Shore Hosp, Endocrine Surg Unit, Northern Sydney Local Hlth Dist, St Leonards, NSW, Australia
[2] Univ New South Wales, Kinghorn Canc Ctr, Garvan Inst Med Res, Endocrine Canc Program, Sydney, NSW, Australia
[3] Univ New South Wales, St Vincents Clin Sch, Fac Med, Sydney, NSW, Australia
[4] Univ Sydney, Fac Med & Hlth, Northern Clin Sch, Sydney Med Sch, Sydney, NSW, Australia
[5] Univ Sydney, Royal North Shore Hosp, Kolling Inst Med Res, Hormones & Canc Grp, Sydney, NSW, Australia
[6] Royal North Shore Hosp, Dept Endocrinol, Northern Sydney Local Hlth Dist, Sydney, NSW, Australia