1. Department of Medicine & Therapeutics Hong Kong Institute of Diabetes and Obesity and Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital Hong Kong China
2. Children's Hospital Helsinki University and Helsinki University Hospital Helsinki Finland
3. Research Program for Clinical and Molecular Metabolism Helsinki University Helsinki Finland
4. Department of Endocrinology UZ Gasthuisberg KU Leuven Belgium
5. Division of Endocrinology and Diabetes University Hospital Leipzig Leipzig Germany
6. Oxford Centre for Diabetes, Endocrinology and Metabolism Oxford UK
7. Harris Manchester College Oxford UK
8. Department of Clinical and Experimental Medicine, Section of Metabolic Diseases and Diabetes University of Pisa Pisa Italy