- Correspondence to Dr Alexander Zimmerer, ARCUS Sportklinik, Rastatterstr. 17-19, Pforzheim 75179, Germany;
- Received November 23, 2016
- Revised March 21, 2017
- Accepted March 26, 2017
- First published April 24, 2017.
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.