1. Chinese Diabetes Society; Beijing China
2. Department of Endocrinology and Metabolism; The Third Affiliated Hospital Sun Yat-sen University; Guangzhou China
3. Unit of Endocrinology and Diabetes, Department of Medicine; Universita' Campus Bio-Medico di Roma; Italy
4. Centre of Immunobiology, Barts and the London School of Medicine; Queen Mary, University of London; London UK