المؤلفون: Nakayama, Saki, Hirota, Yurika, Suzuki, Yuiko, Nonaka, Ryo, Kurosawa, Emiko, Arima, Youtaro, Oizumi, Tomoya, Yamagata, Toshihiro, Mashiko, Shigeto, Furukawa, Katsutoshi

المصدر: Geriatrics & Gerontology International ; volume 24, issue 7, page 742-743 ; ISSN 1444-1586 1447-0594

الاتاحة: http://dx.doi.org/10.1111/ggi.14899
https://onlinelibrary.wiley.com/doi/pdf/10.1111/ggi.14899