http://gigazine.net/news/20131204-neuroon/

http://www3.nhk.or.jp/news/html/20131206/k10013643701000.html

http://www3.nhk.or.jp/news/html/20131205/k10013603121000.html

http://www.nichibenren.or.jp/event/year/2014/140118.html

http://headlines.yahoo.co.jp/hl?a=20131205-00000105-mai-soci