1. Health Care Center, Jichi Medical University
2. Department of Wildlife Biology, Forestry and Forest Products Research Institute
3. Department of Bacteriology I, National Institute of Infectious Diseases
4. Obihiro University of Agriculture and Veterinary Medicine
5. Department of Virology I, National Institute of Infectious Diseases
6. Department of Infection Control Room, Japanese Red Cross Ashikaga Hospital
7. Department of Clinical Laboratory, Japanese Red Cross Ashikaga Hospital
8. Department of Dermatology, Japanese Red Cross Ashikaga Hospital
9. Department of Emergency, Japanese Red Cross Ashikaga Hospital
10. Department of Internal Medicine, Japanese Red Cross Ashikaga Hospital
11. Science Research Center, Hosei University