http://mainichi.jp/articles/20170325/dde/012/100/002000c

http://www.ytv.co.jp/press/smartphone/society/TI20238993.html

https://www.nishinippon.co.jp/flash/f_kyushu/article/317718

http://www.sankei.com/west/news/170328/wst1703280059-n1.html

http://www.kyoto-np.co.jp/politics/article/20170327000148