1. Department of Pharmacology (I.C., D.R., T.C.), Istituto Superiore di Sanità, 00161 Rome, Italy
2. Department of Clinical Biochemistry (H.L.), Institute for Biomedical Aging Research, A-6020 Innsbruck, Austria
3. Medical University of Innsbruck, and Austrian Academy of Sciences (C.Z., P.B.), Institute for Biomedical Aging Research, A-6020 Innsbruck, Austria