1. Division of Endocrinology, Diabetes, and Metabolic Bone Diseases, Department of Medicine III , Medical Center , Technische Universität Dresden, D-01307 Dresden , Germany
2. Center for Healthy Aging , Medical Center , Technische Universität Dresden, D-01307 Dresden , Germany
3. NCT Dresden and University Hospital Carl Gustav Carus Dresden, Technische Universität Dresden , D-01307 Dresden , Germany
4. Center for Regenerative Therapies Dresden (CRTD) , D-01307 Dresden , Germany