1. Department of Finance, National Chung Cheng University, Chia-Yi, Taiwan, ROC
2. Department of Hotel and Restaurant Management, Chia Nan University of Pharmacy and Science, No 60, Sec 1 Erren Road, Rende District, Tainan City 71710, Taiwan, ROC
3. Department of Business Administration, National Chung Cheng University, Chia-Yi, Taiwan ROC