1. Departments of Endocrinology (M.J.H., L.A.B., M.M.C.O′B., M.S., C.J.T.), Dublin 9, Ireland
2. Chemical Pathology (W.T.), Dublin 9, Ireland
3. Department of Endocrinology (S.G.B.), Newcastle University, Newcastle-Upon-Tyne, Tyne and Wear, NE1 7RU, United Kingdom
4. Neurosurgery (M.J.), Beaumont Hospital/Royal College of Surgeons in Ireland Medical School, Dublin 9, Ireland