1. Department of Endocrinology (T.J.C., D.O.), St. Vincent’s University Hospital, Dublin 4, Ireland
2. Education and Research Centre (T.J.C., C.O.), St. Vincent’s University Hospital, Dublin 4, Ireland
3. Royal Victoria Eye and Ear Hospital (P.M.), Dublin 2, Ireland
4. The Conway Institute (C.O.), University College Dublin, Dublin 4, Ireland