Ryuichi Ohta1, Yoshinori Ryu2. 1. Community Care, Unnan City Hospital, 699-1221 96-1 Iida, Daito-cho, Unnan, Shimane Prefecture, Japan ryuichiohta0120@gmail.com. 2. Community Care, Unnan City Hospital, 699-1221 96-1 Iida, Daito-cho, Unnan, Shimane Prefecture, Japan yoshiyoshiryuryu.hpydys@gmail.com.