1 Biosafety Administration Division, National Center for Geriatrics and Gerontology, Research Institute, 7-430 Aichi, Morioka, Obu 474-8511, Japan. Electronic address: a-nishikimi@ncgg.go.jp.
2 Bioresource Division, National Center for Geriatrics and Gerontology, Research Institute, Aichi, Japan; Department of Musculoskeletal Disease, National Center for Geriatrics and Gerontology, Research Institute, Aichi, Japan.
3 Equipment Management Division, National Center for Geriatrics and Gerontology, Research Institute, Aichi, Japan.
4 Department of Frailty Research, National Center for Geriatrics and Gerontology, Research Institute, Aichi, Japan.
5 Biosafety Administration Division, National Center for Geriatrics and Gerontology, Research Institute, 7-430 Aichi, Morioka, Obu 474-8511, Japan.
6 Department of Clinical Laboratory, Hospital, National Center for Geriatrics and Gerontology, Aichi, Japan.
7 Department of Social Science, National Center for Geriatrics and Gerontology, Research Institute, Aichi, Japan.
8 Department of Infection Control, Hospital, National Center for Geriatrics and Gerontology, Aichi, Japan.
9 Bioresource Division, National Center for Geriatrics and Gerontology, Research Institute, Aichi, Japan; Department of Clinical Laboratory, Hospital, National Center for Geriatrics and Gerontology, Aichi, Japan.
10 Hospital, National Center for Geriatrics and Gerontology, Aichi, Japan.
11 National Center for Geriatrics and Gerontology, Research Institute, Aichi, Japan.