1. Department of Otorhinolaryngology Nagoya University Graduate School of Medicine Nagoya Japan
2. Department of Otolaryngology – Head and Neck Surgery Ehime University Graduate School of Medicine Toon Japan
3. KOTOBUKI Medical, Inc. Yashio Japan
4. Department of Oral and Maxillofacial Surgery Amsterdam University Medical Center Amsterdam The Netherlands
5. Department of Otolaryngology – Head and Neck Surgery Vanderbilt University Medical Center Nashville Tennessee USA