1. Medical Student, Duke University School of Medicine.
2. Associate Professor, Divisions of Neurology and Medical Psychology.
3. Associate Professor, Departments of Anesthesiology and Pediatrics.
4. Graduate Student, Department of Psychiatry and Behavioral Sciences.
5. Assistant Professor, Departments of Anesthesiology and Medicine (Neurology), Duke University Medical Center.
6. Professor, Department of Anesthesiology, Duke University Medical Center, Durham Veterans Affairs Medical Center.