[1] Natl Ctr Geriatr & Gerontol, Dept Otorhinolaryngol, Obu City 4740038, Japan
[2] Kamiiida Daiichi Gen Hosp, Dept Otorhinolaryngol, Nagoya, Aichi, Japan
[3] Aichi Med Univ, Dept Otorhinolaryngol, Nagakute, Aichi 48011, Japan
[4] Natl Ctr Geriatr & Gerontol, Sect NILS LSA, Obu, Japan
[5] Nagoya Univ, Grad Sch Med, Dept Sleep Med, Nagoya, Aichi 4648601, Japan
[6] Nagoya Univ, Grad Sch Med, Dept Otorhinolaryngol, Nagoya, Aichi 4648601, Japan
[7] Natl Ctr Geriatr & Gerontol, Ctr Comprehens Care & Res Memory Disorders, Obu, Japan
[8] Nagoya Univ Arts & Sci, Grad Sch Nutr Sci, Nisshin, Japan
[9] Aichi Shukutoku Univ, Dept Hlth & Med Sci, Nagoya, Aichi, Japan