1. Department of Endocrinology, Aberdeen Royal Infirmary (J.S.B.), Aberdeen, United Kingdom AB25 2ZN;
2. Department of Endocrinology, Hull Royal Infirmary (S.L.A.), Hull, United Kingdom HU3 3KZ;
3. Department of Endocrinology, Royal Victoria Hospital (A.B.A., M.M.), Belfast, United Kingdom BT12 6BA;
4. Department of Endocrinology, Royal Free Hospital (P.-M.B.), London, United Kingdom NW3 2QQ;
5. Department of Endocrinology, University Hospital of Wales (F.H., M.F.S.), Cardiff, United Kingdom CF4 4XN;
6. Department of Endocrinology, Kings’ College Hospital (P.E.H., G.A.R.), London, United Kingdom SE5 9RS;
7. Department of Endocrinology, Royal Victoria Infirmary (R.A.J.), Newcastle-upon-Tyne, United Kingdom NE1 4LP;
8. Department of Endocrinology, Queen Elizabeth Hospital (P.M.S.), Birmingham, United Kingdom B15 2TH;
9. Department of Neuroradiology, Southern General Hospital (E.T.), Glasgow, United Kingdom G51 4TF;
10. Department of Endocrinology, Radcliffe Infirmary (H.E.T., J.A.H.W.), Oxford, United Kingdom OX2 6HE;
11. Department of Neuroradiology, Western General Hospital (J.M.W.), Edinburgh, United Kingdom EH4 2XU