Clephas, Christoph http://orcid.org/0000-0002-3112-0756
Wilhelm, Andreas
Article History
Received: 18 June 2018
Accepted: 18 December 2018
First Online: 14 January 2019
Compliance with ethical guidelines
:
: C. Clephas and A. Wilhelm declare that they have no competing interests.
: The ethics committee of the Institute of Sport Science at the University of Kiel accepted and has approved this investigation. Swimming competition times are publicly available so that no consent was obtained from individual athletes. We downloaded all data from ExternalRef removed.