1. Director, RIA Laboratory, Nuclear Medicine and Ultrasound Service, West Los Angeles Veterans Administration Medical Center, Wadsworth Division, adjunct assistant professor, University of Southern California School of Pharmacy, Los Angeles, CA, and scientific director, Psychemedics Corp., 1807 Wilshire Blvd., Suite B-2 Santa Monica, CA 90403, US.
2. Research scientist, Nuclear Medicine and Ultrasound Service, West Los Angeles Veterans Administration Medical Center, Wadsworth Division, Los Angeles, CA, US.
3. Chief, Nuclear Medicine and Ultrasound Service, West Los Angeles Veterans Administration Medical Center, Wadsworth Division, and professor of medicine, University of California, School of Medicine, Los Angeles, CA, US.