1. Department of Cartilage and Bone Regeneration (Fujisoft), Graduate School of Medicine; University of Tokyo; Japan
2. Department of Oral and Maxillofacial Surgery, Faculty of Medicine; University of Tokyo; Japan
3. Department of Pediatric Surgery, Graduate School of Medicine; University of Tokyo; Japan
4. Nagata Microtia and Reconstructive Plastic Surgery Clinic; Saitama; Japan