From the Department of Internal Medicine I (A.K., M.T., G.V.P., R.K., K.G., A.S.), Institute for Anatomy and Cell Biology (C.P., T.M.B., S.L.), Institute for Physiological Chemistry (C.B.), Department of Internal Medicine III (L.B.), and Department of General Physiology (O.W.), University of Ulm; Institute of Molecular Medicine and Max-Planck-Research Group on Stem Cell Aging (A.K., S.-F.K.), Ulm; Department of Internal Medicine I (T.S., M.P.), Martin Luther University Halle Wittenberg, Saale;... (At 2010-11-02)
