[1] Natl Ctr Geriatr & Gerontol, Ctr Comprehens Care & Res Memory Disorders, 7-430 Morioka, Obu, Aichi 4748511, Japan
[2] Tokyo Metropolitan Inst Gerontol, Res Team Social Participat & Community Hlth, Tokyo, Japan
[3] Nagoya Womens Univ, Fac Hlth & Sci, Dept Hlth & Nutr, Nagoya, Aichi, Japan
[4] Kagoshima Univ, Fac Med, Sch Hlth Sci, Dept Phys Therapy, Kagoshima, Kagoshima, Japan
[5] Aichi Med Univ, Dept Otorhinolaryngol, Nagakute, Aichi, Japan
[6] Natl Ctr Geriatr & Gerontol, Dept Otorhinolaryngol, Obu, Aichi, Japan
[7] Ichinomiya Med Treatment & Habilitat Ctr, Dept Rehabil, Ichinomiya, Aichi, Japan