1. Department of Otolaryngology–Head and Neck SurgeryGraduate School of MedicineKyoto
2. Department of Otolaryngology, Regenerative Treatment for Tympanic Membranethe Foundation for Biomedical Research and InnovationKobe
3. Department of Otolaryngology–Head and Neck Surgery, Kitano HospitalTazuke Kofukai Medical Research InstituteOsaka Japan
4. Department of Bioartificial Organs, Institute for Frontier Medical ScienceKyoto UniversityKyoto