[P1–615]: THE EFFECTS OF A COMMUNITY‐BASED ACTIVITY PROGRAM FOR PREVENTING DEMENTIA IN OLDER PERSONS WITH COGNITIVE DECLINE. (1st July 2017) - Lee, Sangyoon; Shimada, Hiroyuki; Lee, Sungchul; Bae, Seongryu; Harada, Kazuhiro; Harada, Kenji; Anan, Yuya; Jung, Songee; Masakazu, Imaoka