1. Neurofacial Imaging Unit, Department of Radiology; Rennes University Hospital; 2 rue H. Le Guilloux 35033 Rennes France
2. VisAGeS U746 Unit/Project, INSERM/INRIA, IRISA, UMR CNRS 6074; University of Rennes 1; Beaulieu Campus 35042 Rennes France
3. Department of Nuclear Medicine; Eugène Marquis Center; avenue Bataille Flandres Dunkerque 35042 Rennes France
4. INSERM UMR-S 991 Unit "Liver, Metabolisms and Cancer"; University of Rennes 1; 2 rue H. Le Guilloux 35033 Rennes France
5. EA 4712, "Behavior and Basal Ganglia"; University of Rennes 1; 2 rue H. Le Guilloux 35033 Rennes France