1. Department of Legal Medicine; Gunma University Graduate School of Medicine; Maebashi Japan
2. Department of Legal Medicine; Shimane University School of Medicine; Izumo Japan
3. Inoue Hospital; Nobeoka Japan
4. Department of Legal Medicine; Oita University; Yuhu Japan
5. Japanese Red Cross Central Blood Institute; Tokyo Japan
6. Japanese Red Cross Kanto-Koshinetsu Block Blood Center; Tokyo Japan