| Affiliation: | 1. Department of Infection Control and Prevention, Kurume University School of Medicine, Kurume, Japan;2. Travelers'' Medical Center, Tokyo Medical University Hospital, Tokyo, Japan;3. Vaccinations Center, Meitetsu Hospital, Nagoya, Japan;4. Juko Memorial Nagasaki Hospital, Nagasaki, Japan;5. Postgraduate Clinical Training Center, Ehime University Hospital, Ehime, Japan;6. Department of Hygiene and Public Health, Kansai Medical University, Osaka, Japan;7. Travel Medicine Center, Nishi-Shimbashi Clinic, Tokyo, Japan |
