1. Geriatric Rehabilitation Department (M.M., F.D.V., F.L., G.P.C.), University Hospital of Parma, 43126 Parma, Italy
2. Department of Clinical and Experimental Medicine (M.M., G.P.C.), Section of Geriatrics, University of Parma, 43126 Parma, Italy
3. Department of Internal Medicine (E.V.), Division of Geriatrics, and Sealy Center on Aging, University of Texas Medical Branch, Galveston, Galveston, Texas 77555-0264
4. Department of Clinical Medicine, Cardiovascular and Immunological Sciences (F.G.), University of Naples Federico II, 80138 Napoli, Italy
5. Cardiac Surgery Unit (G.D.C.), Community Hospital of Brescia, 25123 Brescia, Italy
6. Azienda USL Piacenza (C.C.), 23121 Piacenza, Italy
7. Department of Medical Sciences (H.M.), Uppsala University, 751 85 Uppsala, Sweden
8. Department of Surgical Sciences (K.M.), Uppsala University, 751 85 Uppsala, Sweden
9. Department of Medicine (T.C.), Uppsala University Hospital, 751 85 Uppsala, Sweden
10. Department of Public Health and Caring Sciences (L.L.), Section of Clinical Nutrition and Metabolism, Uppsala University, 751 85 Uppsala, Sweden