1. Emergency Medical Center; Kagawa University Hospital; Kagawa Japan
2. Department of Internal Medicine; Kaizuka Hospital; Fukuoka Japan
3. The Japan Snake Institute; Ota Japan
4. The Chemo-Sero-Therapeutic Research Institute; Kumamoto Japan
5. Department of Bacteriology II; National Institute of Infectious Disease; Tokyo Japan
6. Department of Immunology; National Institute of Infectious Disease; Tokyo Japan
7. Division of Critical Care Medicine and Trauma; National Hospital Organization Disaster Medical Center; Tokyo Japan