1. Faculty of Hospitality and Tourism Management, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau, People’s Republic of China
2. Department of Management Information Systems, University of Illinois Springfield, One University Plaza, Springfield, IL 62703, USA
3. Department of Marketing & Distribution Management, Oriental Institute of Technology, No. 58, Sec. 2, Sih-Chuan Rd., Pan-Chiao District, New Taipei City 22061, Taiwan