1. Division of Legal Medicine, Niigata University Graduate School of Medical and Dental Science, 1-757 Asahimachidori, Niigata 951-8510, JP.
2. Division of Molecular Biology, Niigata University Graduate School of Medical and Dental Science, 1-757 Asahimachidori, Niigata 951-8510, JP.
3. Department of Legal Medicine, Yamagata University School of Medicine, Yamagata 990-2331, JP.
4. Department of Legal Medicine, Tottori University School of Medicine, Yonago 683-8503, JP.