- Correspondence to Professor Jiri Dvorak, Fédération Internationale de Football Association, FIFA-Strasse 20, P.O. Box 8044, Zurich, Switzerland;
- Accepted March 20, 2013
- First published April 23, 2013.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.