1. Sections of Neurosurgery (JRA, WS)
2. Pathology (JK) Palo Alto Veterans Administration Medical Center, Palo Alto, California, and Department of Neurosurgery, Stanford University Medical School, Stanford, California
3. Spinal Cord Injury Service (SL), Palo Alto Veterans Administration Medical Center, Palo Alto, California, and Department of Neurosurgery, Stanford University Medical School, Stanford, California