1. Center for Regenerative Therapies TU Dresden (CRTD), Center for Molecular and Cellular Bioengineering (CMCB), TU Dresden 1 , 01307 Dresden , Germany
2. Center for Healthy Aging, Medical Faculty Carl Gustav Carus, TU Dresden 2 , 01307 Dresden , Germany
3. Laboratory of Clinical and Experimental Endocrinology, Department of Chronic Diseases, Metabolism and Ageing 3 , KU Leuven, 3000 Leuven , Belgium
4. Department of Oncology and Metabolism, Metabolic Bone Centre, Sorby Wing, Northern General Hospital 4 , Sheffield S5 7AU , UK
5. Faculty of Health and Medical Sciences, Biotech Research & Innovation Centre (BRIC), University of Copenhagen 5 , 2200 Copenhagen , Denmark