1. Department of Physical Education, Nanjing University of Aeronautics and Astronautics, Nanjing, China
2. Department of Curriculum and Instruction, University of Texas at Austin, Austin, Texas, USA
3. Department of Educational Research, College of Educational and Human Services, University of Southern Mississippi, Hattiesburg, Mississippi, USA
4. Department of Kinesiology, The University of Texas at San Antonio, San Antonio, Texas, USA
5. Department of Health, Physical Education and Recreation, Bronx Community College, Bronx, New York, USA
6. College of Athletics, Beijing Sport University, Beijing, China
7. Department of Physical Education, Jiangxi Agricultural University, Nanchang, China