Affiliation: | 1. Department of Otolaryngology–Head and Neck Surgery, Graduate School of Medicine, Kyoto University, , Kyoto, Japan;2. Department of Otolaryngology, Wakayama Red Cross Hospital, , Wakayama, Japan;3. Department of Otolaryngology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, , Osaka, Japan;4. Department of Bioartificial Organs, Institute for Frontier Medical Sciences, Kyoto University, , Kyoto, Japan |