1. Department of Geographical Science, Guangdong University of Petrochemical Technology Guangdong Province, China
2. Department of Physics, Guangdong University of Petrochemical Technology Guangdong Province, China
3. Department of Leisure Services Management, Chaoyang University of Technology, Taichung, Taiwan
4. Department of Leisure Management, Tung-nan University, Taipei, Taiwan
5. Department of Marketing, Kainan University, Taoyuan City, Taiwan