- Correspondence to Dr Hilde Moseby Berge, Department of Sports Medicine, Oslo Sports Trauma Research Center, Norwegian School of Sport Sciences, PO Box 4014 Ullevaal Stadion, Oslo 0806, Norway;
- Accepted February 25, 2013
- First published March 15, 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.