[1] Kyung Hee Univ, Smart Educ Platform, 26 Kyungheedae Ro, Seoul 02447, South Korea
[2] Kyung Hee Univ, Coll Hotel & Tourism Management, Dept Culinary Arts & Foodservice Management, 26 Kyungheedae Ro, Seoul 02447, South Korea
[3] Kyung Hee Univ, Ctr Converging Humanities, 26 Kyungheedae Ro, Seoul 02447, South Korea