1. Department of Forensic Pathology and Sciences, Graduate School of Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka City, Fukuoka 812-8582, Japan
2. Graduate School of Health Management, Keio University, 4411 Endo, Fujisawa, Kanazawa 252-8530, Japan
3. University of California, San Diego, UCSD School of Medicine, 9500 Gilman Drive, 0742, La Jolla, CA 92093-0742, USA