1. Psychiatry Service, Veterans Affairs Medical Center, Salem, Department of Neuropsychiatry, Behavioral Science, Edward Via College of Osteopathic Medicine, Blacksburg, Virginia,
2. Virginia Polytechnic Institute and State University, Blacksburg, Virginia
3. Catawba Hospital, Catawba; Virginia
4. Psychiatry Service, Veterans Affairs Medical Center, Salem, Department of Neuropsychiatry, Behavioral Science, Edward Via College of Osteopathic Medicine, Blacksburg, Virginia