- Correspondence to Dr Florian Egger, Institute of Sports and Preventive Medicine, Saarland University, 66123 Saarbrücken, Germany;
- Accepted November 18, 2020
- First published December 23, 2020.
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.