1. Academic Department of Endocrinology; Beaumont Hospital/RCSI Medical School; Dublin Ireland
2. Academic Department of Chemical Pathology; Beaumont Hospital/RCSI Medical School; Dublin Ireland
3. The National Neurosurgical Centre; Beaumont Hospital/RCSI Medical School; Dublin Ireland
4. Department of Endocrinology; Adelaide and Meath Hospital/Trinity College Dublin Medical School; Dublin Ireland