1. Department for Management of Science and Technology Development, Ton Duc Thang University, Ho Chi Minh City, Vietnam.
2. Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam.
3. Department of Hospitality Management, College of Agriculture, Tunghai University, Taichung, Taiwan, Republic of China.
4. Department of Food Science, College of Agriculture, Tunghai University, Taichung, Taiwan, Republic of China.