Department of Internal Medicine III, Technische Universität Dresden, Dresden 01307, Germany; Paul Langerhans Institute Dresden, Helmholtz Munich, Technische Universität Dresden, Dresden 01307, Germany; German Center for Diabetes Research, Neuherberg, Germany. Electronic address: Nikolaos.Perakakis@uniklinikum-dresden.de. Medical Microbiology and Virology, Technische Universität Dresden, Dresden 01307, Germany. Institute of Medical Virology, University of Zürich, Zürich, Switzerland. Department of Pathology and Molecular Pathology, University of Zürich, Zürich, Switzerland. Department of Internal Medicine III, Technische Universität Dresden, Dresden 01307, Germany. Institute for Institute of Clinical Chemistry and Laboratory Medicine, Technische Universität Dresden, Dresden 01307, Germany. Department of Internal Medicine III, Technische Universität Dresden, Dresden 01307, Germany; Paul Langerhans Institute Dresden, Helmholtz Munich, Technische Universität Dresden, Dresden 01307, Germany; Center for Regenerative Therapies Dresden, Technische Universität Dresden, Dresden 01307, Germany; German Center for Diabetes Research, Neuherberg, Germany. Paul Langerhans Institute Dresden, Helmholtz Munich, Technische Universität Dresden, Dresden 01307, Germany; Department of Molecular Diabetology, Technische Universität Dresden, Dresden 01307, Germany; German Center for Diabetes Research, Neuherberg, Germany. Department of Pediatrics, Technische Universität Dresden, Dresden 01307, Germany. Center for Regenerative Therapies Dresden, Technische Universität Dresden, Dresden 01307, Germany; Department of Medicine I, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden 01307, Germany. Department of Internal Medicine III, Technische Universität Dresden, Dresden 01307, Germany; Paul Langerhans Institute Dresden, Helmholtz Munich, Technische Universität Dresden, Dresden 01307, Germany; German Center for Diabetes Research, Neuherberg, Germany. Institute of Medical Virology, University of Zürich, Zürich, Switzerland; Department of Infectious Diseases and Hospital Epidemiology, University of Zürich, Zürich, Switzerland. Department of Endocrinology, Diabetology and Clinical Nutrition, University Hospital Zürich, University of Zürich, Zürich, Switzerland; Medizinische Klinik und Poliklinik IV, Klinikum der Universität, Ludwig-Maximilians-Universität München, Munich, Germany. Department of Endocrinology, Diabetology and Clinical Nutrition, University Hospital Zürich, University of Zürich, Zürich, Switzerland. Epidemiology, Biostatistics and Prevention Institute, University of Zürich, Zürich, Switzerland. and Department of Molecular Life Science, University of Zürich, Zürich, Switzerland. Department of Internal Medicine III, Technische Universität Dresden, Dresden 01307, Germany; Division of Nephrology, Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, USA. Madras Diabetes Research Foundation and Dr. Mohan's Diabetes Specialties Centre, Chennai, Tamil Nadu, India. Presidential Office, Paris Lodron Universität Salzburg, Salzburg, Austria. Paul Langerhans Institute Dresden, Helmholtz Munich, Technische Universität Dresden, Dresden 01307, Germany; Institute for Institute of Clinical Chemistry and Laboratory Medicine, Technische Universität Dresden, Dresden 01307, Germany; German Center for Diabetes Research, Neuherberg, Germany; Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK. Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, Rome, Italy; Department of Medical and Surgical Sciences, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy; Division of Diabetes and Nutritional Sciences, School of Cardiovascular and Metabolic Medicine and Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK. Laboratory of Translational Nutrition Biology, Institute of Food, Nutrition and Health, Department of Health Sciences and Technology, ETH Zürich, Schwerzenbach, Switzerland. Department of Infectious Diseases and Hospital Epidemiology, University of Zürich, Zürich, Switzerland. Department of Internal Medicine III, Technische Universität Dresden, Dresden 01307, Germany; Paul Langerhans Institute Dresden, Helmholtz Munich, Technische Universität Dresden, Dresden 01307, Germany; German Center for Diabetes Research, Neuherberg, Germany; Division of Diabetes and Nutritional Sciences, School of Cardiovascular and Metabolic Medicine and Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK.