Funding for this research was provided by:
Ewha Womans University (RP-Grant 2017)
the Bio & Medical Technology Development Program of the National Research Foundation (NRF), funded by the Ministry of Science & ICT (2012M3A9C4048761)
Received: 10 May 2018
Accepted: 18 January 2019
First Online: 30 January 2019
Ethics approval and consent to participate
: Study protocols and consent forms were approved by the Institutional Review Boards at the Korea Institute of Sport Science and Ewha Womans University. All participants provided informed consent to participate in the study.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.