Received: 18 January 2019
Accepted: 25 September 2019
First Online: 17 October 2019
Ethics approval and consent to participate
: This study was approved by the human ethics research committee of the Sport Sciences Research Institute of Iran (Code: IR.SSRI.REC.1397.216) according to ethical standards in the research of the ministry of science, research and technology of Iran. All participants were informed about the procedures and signed an informed consent form prior to commencement of the research.
: Not applicable.
: The authors declare that they have no competing interests.