http://news.goo.ne.jp/article/yomiuri/nation/20150925-567-OYT1T50084.html

http://news.goo.ne.jp/article/asahi/nation/ASH940FJWH93PTIL02D.html

http://news.goo.ne.jp/article/kahoku/nation/kahoku_K201509250A0M206X00001_001339.html

http://www.nikkan-gendai.com/articles/view/news/164447/1

http://www.sankei.com/affairs/news/150926/afr1509260008-n2.html