1. School of Physical Education, Shanghai University of Sport, 399 Chang Hai Road, Shanghai 200438, People′s Republic of China
2. School of Sports Science and Engineering, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, People′s Republic of China
3. Department Sport and Exercise Science, College of Education, Zhejiang University, 148 Tianmenshan Road, Hangzhou 310007, Zhejiang, People′s Republic of China
4. Department of Physics, State Key Laboratory of Surface Physics, and Key Laboratory for Computational Physical Sciences (Ministry of Education), Fudan University, Shanghai 200438, People′s Republic of China