1. Section of Endocrinology, Diabetes and Metabolism, Department of Medicine; University and Azienda Ospedaliera Universitaria Integrata of Verona; Verona Italy
2. Section of Rheumatology, Department of Medicine; University and Azienda Ospedaliera Universitaria Integrata of Verona; Verona Italy
3. Section of Clinical Biochemistry, University and Azienda Ospedaliera; Universitaria Integrata of Verona; Verona Italy
4. Nutrition and Metabolism, Faculty of Medicine; University of Southampton; Southampton UK
5. Southampton National Institute for Health Research Biomedical Research Centre; Southampton General Hospital, University Hospital Southampton; Southampton UK
6. Department of Endocrinology, INSERM UMR 991; University Hospital of Rennes; Rennes Cedex 9 France