1. Conjoint Endocrine Laboratory (K.A.L., B.D.M., H.L., R.H.M., K.R.), Clinical Research Centre, Royal Brisbane and Women’s Hospital and Pathology Queensland, Herston, Queensland 4029, Australia
2. Membrane Transport Group (V.N.S.), Queensland Institute of Medical Research, Herston, Queensland 4006, Australia
3. The Disciplines of Obstetrics and Gynaecology (R.H.M.), The University of Queensland, St. Lucia, Queensland 4072, Australia
4. Medicine (R.H.M., K.R.), The University of Queensland, St. Lucia, Queensland 4072, Australia