1 Division of Nuclear Medicine and Molecular Imaging, Department of Medical Imaging, Geneva University and Geneva University Hospitals, Geneva, Switzerland.
2 Memory Clinic and LANVIE-Laboratory of Neuroimaging of Aging, Geneva University and Geneva University Hospitals, Geneva, Switzerland; Laboratory of Alzheimer's Neuroimaging and Epidemiology, IRCCS Fatebenefratelli, Brescia, Italy.
3 Division of Radiation Oncology, Department of Medical Imaging, Geneva University and Geneva University Hospitals, Geneva, Switzerland.