Department of Computer Science and Information Systems, Texas A&M University-Commerce, Commerce, TX, USA. Mutlu.Mete@tamuc.edu.|Computer Engineering, University of Houston - Clear Lake, Houston, TX, USA.|Center for Brain Health, University of Texas at Dallas, Richardson, TX, USA.|Department of Neurology, UT Southwestern Medical Center, Dallas, TX, USA.|Avid Radiopharmaceuticals, Philadelphia, PA, USA.|Veterans Affairs North Texas Health Care System, Dallas, TX, USA.