1. Department of Neurology, Dartmouth-Hitchcock Medical Center, Lebanon, NH 03766, USA
2. Department of Neurology, Geisel School of Medicine at Dartmouth College Hanover, NH 03755, United States
3. Thayer School of Engineering at Dartmouth College, Hanover, NH 03755, United States
4. Department of Neurosurgery, Emory University, Atlanta, GA 30322, United States
5. Department of Neurosurgery, University of Texas-Southwestern, Dallas, TX 75390, United States
6. Department of Neurology, Thomas Jefferson University, Philadelphia, PA 19144, United States
7. Department of Psychology, University of Pennsylvania, Philadelphia, PA 19104, United States