Funding for this research was provided by:
Luxembourg Institute of Research in Orthopaedics, Sports Medicine and Science
Text and Data Mining valid from 2018-10-29
Received: 12 July 2018
Accepted: 23 October 2018
First Online: 29 October 2018
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: For this type of study formal consent is not required.