1. Departments of Endocrinology (R.C., A.G., M.B.), Galway, Ireland
2. Departments of Endocrinology (A.T., D.O.), Cork, Ireland
3. Clinical Biochemistry (C.J.), Cork University Hospital, Cork, Ireland
4. Pathology (M.B.C.), Galway, Ireland
5. Clinical Biochemistry (P.O.), Galway University Hospital, Galway, Ireland