1. Ministry of Health Labour and Welfare. Comprehensive strategy for promoting dementia measures (New orange plan). Towards development of community friendly for elders with dementia.2015. [Cited 28 Aug 2018.] Available from URL:http://www.mhlw.go.jp/stf/houdou/0000072246.html(in Japanese)
2. National Police Agency Community Safety Bureau Community Safety Planning Division. The situation of missing persons in 2012.2013. [Cited 28 Aug 2018.] Available from URL:https://www.npa.go.jp/safetylife/seianki/H24yukuehumeisha.pdf#search='%E5%B9%B3%E6%88%9024%E5%B9%B4%E3%81%AB%E3%81%8A%E3%81%91%E3%82%8B%E8%A1%8C%E6%96%B9%E4%B8%8D%E6%98%8E%E8%80%85%E3%81%AE%E7%8A%B6%E6%B3%81' (in Japanese)
3. Proceedings of the 186th session of the Diet Health Labor and Welfare Committee No. 15 (25 Apr 2014). [Cited 28 Aug 2018.] Available from URL:http://www.shugiin.go.jp/internet/itdb_kaigiroku.nsf/html/kaigiroku/009718620140425015.htm#p_honbun(in Japanese)
4. Alzheimer's Association. Wandering: Who's at risk?2008. [Cited 28 Aug 2018.] Available from URL:http://www.alz.org/national/documents/card_wanderingwhoisatrisk.pdf.
5. Window of wandering