1. The August Pi i Sunyer Biomedical Research Institute (IDIBAPS) and Biomedical Research Center in Diabetes and Associated Metabolic Diseases (CIBERDEM); Barcelona Spain
2. Institute of Hospitalization and Scientific Care (IRCCS) MultiMedica Sesto San Giovanni; Milan Italy
3. Graduate School of Medicine; Department of Diabetes and Clinical Nutrition; Kyoto University; Kyoto Japan