- Correspondence to Prof Qiang-Min Huang, Department of Sport Rehabilitation, School of Sport Science, Shanghai University of Sport, Keyanlou 4-408, Hengren Road No. 188, Shanghai 200438, China;
- Accepted 21 August 2017
- Published in print 1 December 2017.
- Published online 8 December 2017.
- Published first 6 November 2017.
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