http://www.sankei.com/west/news/150507/wst1505070057-n1.html
http://www.sankei.com/west/news/150507/wst1505070057-n1.html
http://www.nintendo.co.jp/
http://www.nintendo.co.jp/ir/pdf/2015/150507.pdf
http://www.nintendo.co.jp/ir/pdf/2015/150507_2.pdf
http://www.nintendo.co.jp/ir/pdf/2015/150507_3.pdf
http://www.nintendo.co.jp/ir/pdf/2015/150507_4.pdf