1. Department of Endocrinology, Oxford Centre for Diabetes, Endocrinology, and Metabolism and National Institute for Health Research Oxford Biomedical Research Centre, Churchill Hospital, University of Oxford, Oxford, United Kingdom
2. Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
3. Centre for Endocrinology, Diabetes, and Metabolism, Queen Elizabeth Hospital, Birmingham, United Kingdom
4. Department of Endocrinology, S.S. Annunziata Hospital, Taranto, Italy
5. Department of Endocrinology, Naas General Hospital, Kildare and Tallaght Hospital, Dublin, Ireland