http://www.nikkan-gendai.com/articles/view/news/157745

http://www.tokyo-np.co.jp/article/national/news/CK2015030602000129.html

http://headlines.yahoo.co.jp/hl?a=20150306-00050094-yom-soci

http://headlines.yahoo.co.jp/hl?a=20150306-00000131-jij-soci

http://headlines.yahoo.co.jp/hl?a=20150305-00050108-yom-soci