1. Department of Anesthesiology; Kyoto Prefectural University of Medicine; Kyoto 602-8566 Japan
2. Department of Anesthesiology; School of Medicine; Kyorin University; Mitaka 181-8611 Japan
3. Laboratory of Adjuvant Innovation, National Institutes of Biomedical Innovation; Health and Nutrition; Ibaraki Osaka 567-0085 Japan
4. Laboratory of Vaccine Science, Immunology Frontier Research Center, World Premier International Research Center; Osaka University; Suita Osaka 565-0871 Japan