1. Diabetes Research, School of Life & Health Sciences, Aston University, Birmingham, UK
2. Endocrinology Unit, Javeriana University School of Medicine, Bogota, Colombia
3. School of Medicine, University of Pisa, Pisa, Italy
4. Medical Arts Research Collaborative, Excelsior Springs, MO, USA
5. Peking University People’s Hospital, Beijing, People’s Republic of China
6. Diabetes-Zentrum Quakenbrück, Quakenbrück, Germany