1. Department of Food & Nutrition, Institute of Symbiotic Life-TECH (Technology, Ecology, Culture, Human), Research Center for Food, Nutrition and Foodservice Management, College of Human Ecology, Yonsei University, Seoul, South Korea
2. Hotel, Restaurant & Institutional Management, Yonsei Graduate School of Human Environmental Sciences, Seoul, South Korea
3. Department of Hotel and Tourism, Baewha Women's University, Seoul, South Korea