1. Department of Psychology, University of Utah, Salt Lake City, Utah, USA
2. Department of Neurosurgery, University of Utah, Salt Lake City, Utah, USA
3. Department of Neurology, University of Utah, Salt Lake City, Utah, USA
4. Department of Neurology George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, Utah, USA
5. Department of Neurosurgery, Brigham & Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
6. Department of Neurology, Oregon Health & Science University, Portland, Oregon, USA