http://www.sankei.com/west/news/151210/wst1512100039-n1.html

http://www.asahi.com/articles/ASGDB4W6BGDBUTIL01X.html

http://www.tokyo-np.co.jp/s/article/2015121001001522.html

http://zasshi.news.yahoo.co.jp/article?a=20151210-00000020-pseven-soci

http://headlines.yahoo.co.jp/hl?a=20151210-00000098-jij-soci http://headlines.yahoo.co.jp/hl?a=20151210-00000531-san-soci