1. Associate investigator, Research Service (151) Veteran's Administration Medical Center 2100 Ridgecrest SE Albuquerque, NM 87108, US.
2. Medical student, University of New Mexico School of Medicine, Albuquerque, NM, US.
3. Medical director, Los Lunas Hospital and Training School, Los Lunas, NM, US.
4. Chief medical examiner, Office of the Chief Medical Examiner, Baltimore, MD, US.
5. Chief, Neurology Service, Veterans Administration Medical Center, Albuquerque, NM, US.
6. Chief medical investigator, Office of the Medical Investigator, University of New Mexico School of Medicine, Albuquerque, NM, US.