1. Guangdong Business and Technology University, Zhaoqing, Guangdong, People’s Republic of China
2. Graduate Institute of Labor Research, National Chengchi University, Taipei, Taiwan
3. Department of International Business, Tamkang University, Taipei, Taiwan
4. Institute of Business & Management, National Yang Ming Chiao Tung University, Taipei, Taiwan
5. Graduate School of Technological and Vocational Education, National Yunlin University of Science and Technology, Douliou, Taiwan