1. Department of Tourism Management, College of Business Administration, Keimyung University, Daegu, South Korea
2. Division of Tourism and Hotel Management, College of Business, Cheongju University, Cheongju-Si, Chungcheongbuk-Do, Korea
3. Department of Food Service and Management, Faculty of Food Science and Technology, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
4. College of Hospitality and Tourism Management, Sejong University, Seoul, Korea