Funding for this research was provided by:
Industrial Research Fund (F2014/IOF-StarTT/273)
Received: 23 June 2020
Accepted: 20 January 2021
First Online: 15 February 2021
Ethics approval and consent to participate
: All subjects gave their written informed consent and the Local Ethical Committee (Anti-Doping Laboratory Qatar, ADLQ) approved the study.
: Not applicable.
: The authors declare that they have no competing interests.