1. College of Physical Education, Qingdao University, Qingdao, Shandong, China
2. School of Economics, Qingdao University, Qingdao, Shandong, China
3. School of Economics, Finance and Banking, Universiti Utara Malaysia, Kuala Lumpur, Malaysia
4. Department of Business Administration, ILMA University, Karachi, Pakistan
5. College of Business, Abu Dhabi University, Abu Dhabi, UAE