Eben gefunden - ist schon heftig:

http://www.nytimes.com/2013/04/18/sp...anted=all&_r=0

Daisuke’s case is among hundreds of documented cases of children in Japan who have suffered catastrophic injuries doing judo under school supervision. Over the past 30 years, 118 have died, and nearly 300 have ended up disabled or comatose.
und hier die Japan Judo Accident Victims Association

Japan Judo Accident Victims Association (JJAVA)