Institution: | 1. Department of Otolaryngology, Aichi Medical University, Nagakute, Aichi, Japan;2. Department of Otolaryngology, Tono Kosei Hospital, Mizunami, Gifu, Japan;3. Public Health Center, Okazaki City Medical Association, Okazaki, Aichi, Japan;4. Department of Otolaryngology, Aichi Gakuin University, Aichi, Japan;5. Department of Oral and Maxillofacial University, Matsumoto Dental University, Shiojiri, Nagano, Japan;6. Department of Cardiology, Nagoya University, Tsurumai, Nagoya, Japan |