1. Penn Frontotemporal Degeneration Center (FTDC), University of Pennsylvania, Philadelphia, PA, USA
2. Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
3. Department of Psychological Sciences, University of Connecticut, Storrs, CT, USA
4. Department of Psychology, University of Maine, Orono, ME, USA
5. Department of Pathology and Laboratory Medicine, Center for Neurodegenerative Disease Research, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
6. Penn Image Computing and Science Lab & Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
7. Department of Diagnostic Radiology, Lund University, Lund, Sweden
8. Department of Otolaryngology, Washington University, St. Louis, MO, USA