1. Greater Los Angeles Veterans Affairs Healthcare System, 11301 Wilshire Boulevard; Los Angeles CA 90073 USA
2. Department of Medicine, University of California; Los Angeles CA 90095 USA
3. Brentwood Biomedical Research Institute; 11301 Wilshire Blvd, Los Angeles CA 90073 USA
4. Department of Anatomy; Hokkaido University Graduate School of Medicine; Kita 15, Nishi 7 Kita-ku Sapporo 060-8638 Japan
5. Laboratory of Organic Chemistry; School of Pharmaceutical Science; 52-1 Yada, Suruga-ku Shizuoka 422-8526 Japan
6. Laboratory of Physiology; Institute for Environmental Science; University of Shizuoka; 52-1 Yada, Suruga-ku Shizuoka 422-8526 Japan
7. Department of Surgery; School of Medicine, University of California; Los Angeles CA 90095 USA