1. From the Departments of Geriatric Medicine (L.J., C.P.-G., A.K.-S., P.S., A.B.), Nuclear Medicine (P.-Y.M., G.K.), and Radiology (D.M.), CHU-Nancy, Nancy; Nancy-Université (L.J., P.S., D.M., P.-Y.M., G.K., P.R., F.Z., A.B.), Nancy; Institut National de la Santé et de la Recherche Médicale (L.J., P.S., P.-Y.M., P.R., F.Z., A.B.), U 961, Nancy; Institut National de la Santé et de la Recherche Médicale (D.M.), U 947, Nancy; and the Clinical Investigation Centre (A.K.-S., P.R., F.Z.), CHU-Nancy,...