1. Department of Dermatology; Ehime University Graduate School of Medicine; Toon Japan
2. Department of Otorhinolaryngology, Head and Neck Surgery; Ehime University Graduate School of Medicine; Toon Japan
3. Department of Oral and Maxillofacial Surgery; Ehime University Graduate School of Medicine; Toon Japan
4. Gastroenterology and Surgical Oncology; Ehime University Graduate School of Medicine; Toon Japan
5. Department of Gastrointestinal Medical Oncology; National Shikoku Cancer Center; Matsuyama Japan
6. Department of Head and Neck Medical Surgery; National Shikoku Cancer Center; Matsuyama Japan
7. Mahara Institute of Medical Acarology; Anan Japan