1. Academic Department of Endocrinology, Beaumont Hospital/Royal College of Surgeons in Ireland , Dublin, D09 YD60 , Ireland
2. Robert Graves Institute of Endocrinology, Tallaght University Hospital , Dublin, D24 TP66 , Ireland
3. Institute of Metabolism and Systems Research, University of Birmingham , Birmingham B15 2TT , UK
4. Department of Clinical Science, University of Bergen , 5021 Bergen , Norway
5. Faculty of Medicine and Health, University of Leeds , Leeds LS2 9JT , UK
6. Oxford Centre for Diabetes, Endocrinology and Metabolism, NIHR Oxford Biomedical Research Centre, Churchill Hospital, University of Oxford , Oxford OX3 7LE , UK
7. Department of Clinical Biochemistry, University Hospital of South Manchester, Manchester Academic Health Science Centre, The University of Manchester , Manchester M23 9LT , UK
8. Department of Endocrinology, Connolly Hospital , Dublin, D15 X40D , Ireland
9. Department of Endocrinology, St James Hospital , Dublin, D08 K0Y5 , Ireland
10. Medical Research Council London, Institute of Medical Sciences , London W12 0NN , UK