1. Department of Otorhinolaryngology; Osaka Medical College; Takatsuki; Japan
2. Department of Molecular Regulation; Graduate School of Dentistry, Tohoku University; Sendai; Miyagi; Japan
3. Department of Clinical Pharmacy and Clinical Pharmacokinetics; Osaka University of Pharmaceutical Sciences; Takatsuki; Japan
4. Department of Physiology; Osaka Medical College; Takatsuki; Japan