1. Department of Sport and Exercise Science, College of Education, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, Zhejiang, P. R. China
2. State Key Laboratory of Surface Physics and Department of Physics, Fudan University, 220 Handan Road, Shanghai 200433, P. R. China
3. Department of Physics, Ningbo University, 818 Fenghua Road, Ningbo 315211, Zhejiang, P. R. China
4. School of Sports Science and Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, P. R. China
5. College of Physical Education and Training, Shanghai University of Sport, 399 Changhai Road, Shanghai 200438, P. R. China