1. Faculty of Medicine, Center for Regenerative Therapies Dresden, Dresden, Germany
2. German Center for Environmental Health, Institute of Diabetes Research, Helmholtz Munich, Munich, Germany
3. Faculty of Medicine, German Center for Diabetes Research (DZD), Paul Langerhans Institute Dresden of Helmholtz Centre Munich at University Clinic Carl Gustav Carus of TU Dresden, Dresden, Germany
4. Department of Diabetes, School of Cardiovascular and Metabolic Medicine & Sciences, King’s College London, London, UK