1. Frontotemporal Degeneration Center, University of Pennsylvania , Philadelphia, PA 19104 , USA
2. Alzheimer’s Disease Research Center, University of Pennsylvania , Philadelphia, PA 19104 , USA
3. Digital Neuropathology Laboratory, University of Pennsylvania , Philadelphia, PA 19104 , USA
4. Department of Radiology , Penn Image Computing and Science Laboratory (PICSL), , Philadelphia, PA 19104 , USA
5. University of Pennsylvania , Penn Image Computing and Science Laboratory (PICSL), , Philadelphia, PA 19104 , USA