1. Department of Otolaryngology–Head and Neck SurgeryGraduate School of Medicine, Kyoto UniversityKyoto Japan
2. Department of OtolaryngologyFoundation for Biomedical Research and InnovationKobe Japan
3. Department of Otolaryngology–Head and Neck Surgery, Kitano HospitalTazuke Kofukai Medical Research InstituteOsaka Japan
4. Department of Bioartificial OrgansInstitute for Frontier Medical ScienceKyoto UniversityKyoto Japan