Incidence and survival of dementia in a general population of Japanese elderly: the Hisayama study Y Matsui1,2, Y Tanizaki1, H Arima1, K Yonemoto1, Y Doi3, T Ninomiya1, K Sasaki4, M Iida3, T Iwaki4, S Kanba2, Y Kiyohara11Department of Environmental Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan 2Department of Neuropsychiatry, Graduate School of Medical Sciences, K