1. Department of Microbiology Faculty of Medicine Shimane University Shimane Japan
2. Department of Microbiology School of Medical Laboratory Science College of Medicine and Health Sciences Hawassa University Hawassa Ethiopia
3. Department of Respiratory Medicine and Infectious Disease Graduate School of Medicine Yamaguchi University Yamaguchi Japan
4. Institute for Genetic Medicine Hokkaido University Hokkaido Japan
5. Department of Human Nutrition Faculty of Nursing and Human Nutrition Yamaguchi Prefectural University Yamaguchi Japan
6. Department of Environmental and Preventive Medicine Faculty of Medicine Oita University Oita Japan