1. Department of Otorhinolaryngology, Head and Neck Surgery; Graduate School of Medicine; Chiba University; Chiba Japan
2. Department of Medical Immunology; Graduate School of Medicine; Chiba University; Chiba Japan
3. Department of Immunology; Graduate School of Medicine; Chiba University; Chiba Japan
4. Drug Discovery & Disease Research Laboratory; Shionogi & Co., Ltd.; Osaka Japan