1. Department of Health Science, Gunma Paz University Graduate School of Health Sciences, Takasaki-shi 370-0006, Gunma, Japan
2. Advanced Medical Science Research Center, Gunma Paz University Research Institute, Shibukawa-shi 377-0008, Gunma, Japan
3. Project Department, Takara Bio Inc., Kusatsu-shi 525-0058, Shiga, Japan
4. Kurosawa Hospital, Takasaki-shi 370-1203, Gunma, Japan
5. Department of Bacteriology, Graduate School of Medicine, Gunma University, Maebashi-shi 371-8514, Gunma, Japan