1. Department of Otorhinolaryngology, Nagoya University Graduate School of Medicine,
Nagoya, Japan
2. Department of Otorhinolaryngology, National Center for Geriatrics and Gerontology,
Aichi, Japan
3. Department of Otolaryngology, Aichi Medical University,
Nagakute, Aichi, Japan
4. Department of Head and Neck Surgery, Aichi Cancer Center,
Nagoya, Japan
5. Department of Otorhinolaryngology, Tosei General Hospital,
Seto, Aichi, Japan
6. Department for Development of Preventive Medicine, Center for Development of Advanced Medicine for Dementia (CAMD), National Center for Geriatrics and Gerontology,
Aichi, Japan
7. Department of Health and Medical Sciences, Aichi Shukutoku University,
Aichi, Japan