1. Department of Otolaryngology, The Foundation for Biomedical Research and Innovation, Kobe, Japan
2. the Department of Otolaryngology–Head and Neck Surgery, Medical Research Institute, Kitano Hospital, Osaka, Japan
3. Department of Otolaryngology, Shizuoka General Hospital, Shizuoka, Japan
4. Department of Otolaryngology–Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
5. Department of Bioartificial Organs, Institute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan