1. Division of Endocrinology & Metabolism, Dalhousie University, Halifax, NS, Canada B3H 3J5
2. Divisions of Endocrinology & Metabolism & Neurosurgery, Halifax Neuropituitary Program, 7th Floor N, VG Site, 1278 Tower Road, Halifax, NS, Canada B3H 2Y9
3. Division of Endocrinology, The University of Manchester, Manchester M13 9PL, UK
4. Division of Endocrinology, University of Toronto, Toronto, ON, Canada M5S 1A1