Relationship of neighborly ties with cognitive decline and total mood disturbances in older adult residents of depopulated areas in Japan: The Ninchisho (Dementia) Supporter Caravan Himi Study. - Yoneyama, Satoko; Tanaka, Koji; Matsuda, Yukihisa; Hashimoto, Reiko; Ishizaki, Masao; Tamai, Akira; Kawasaki, Yasuhiro (Psychiatry & Clinical Neurosciences, 2019)