1. Department of Endocrinology; Bristol Royal Infirmary; University Hospitals Bristol NHS Foundation Trust; Bristol; UK
2. Henry Wellcome Laboratories for Integrative Neuroscience and Endocrinology; University of Bristol; Bristol; UK
3. Department of Endocrinology; Royal Devon and Exeter Hospital; Peninsula Medical School; Exeter; UK
4. Department of Endocrinology and Metabolism; University of Pisa; Pisa; Italy
5. Department of Clinical Medicine; University of Insubria; Varese; Italy
6. Centre for Endocrine & Diabetes Sciences; Department of Medicine; Cardiff University School of Medicine; Cardiff; UK