1. Research & Academic Affairs Service Line, Salisbury VA Healthcare System, Salisbury, NC, USA
2. Neurocognition Research Lab, VA Mid-Atlantic Mental Illness Research, Education, and Clinical Center, Durham, NC, USA
3. Department of Neurology, Wake Forest School of Medicine, Winston-Salem, NC, USA
4. Department of Psychological Sciences, Texas Tech University, Lubbock, TX, USA
5. Department of Veterans Affairs Eastern Kansas Healthcare, Leavenworth VAMC, Leavenworth, KS, USA
6. Department of Neurology, Penn State Milton S. Hershey Medical Center, Hershey, PA, USA
7. Penn State College of Medicine, Department of Neurology, Hershey, PA, USA