1. Department of Computer Sciences, University of Wisconsin–Madison, Madison, Wisconsin.
2. Wisconsin Alzheimer's Disease Research Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin.
3. Waisman Laboratory for Brain Imaging and Behavior, University of Wisconsin-Madison, Madison, Wisconsin.
4. Department of Computer Science and Engineering, University of Texas at Arlington, Arlington, Texas.
5. Geriatric Research Education and Clinical Center, William S. Middleton Veteran's Affairs Hospital, Madison, Wisconsin.
6. Department of Biostatistics and Medical Informatics, University of Wisconsin–Madison, Madison, Wisconsin.