Alberto Martinez-Arizala -
Neurology Service, Department of Medicine, Letterman Army Medical Center, Presidio of San Francisco, California, Neuropharmacology Branch, Department of Medical Neurosciences, Walter Reed Army Institute of Research, Washington, DC 20307-5100
Garland E McCarty -
Neurology Service, Department of Medicine, Letterman Army Medical Center, Presidio of San Francisco, California, USA MEDDAC, Ft. Polk, LA 71459-6000