1. Department of Neurology, Wake Forest Medical School and Wake Forest Baptist Medical Center, Winston-Salem, North Carolina, USA.
2. Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, Indiana, USA.
3. Department of Psychiatry, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire, USA.
4. Department of Psychiatry, Indiana University School of Medicine, Indianapolis, Indiana, USA.