1. Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Japan
2. Department of Microbiology, Osaka Institute of Public Health, Osaka, Japan
3. Graduate School of Medical Science, Osaka University, Suita, Japan
4. Faculty of Medicine, University of the Ryukyus, Okinawa, Japan
5. Centre of Medical and Pharmaceutical Science & Technology Services, Thai Binh University of Medicine and Pharmacy, Thai Binh, Vietnam