1. Department of Psychiatry, University of Toledo, Toledo, Ohio.
2. Department of Neurosciences, University of Toledo, Toledo, Ohio.
3. Department of Radiology, University of Toledo, Toledo, Ohio.
4. Department of Psychiatry, University of Michigan, Ann Arbor, Michigan.
5. Department of Emergency Medicine, University of Toledo, Toledo, Ohio.
6. Department of Anesthesiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.