Institution: | 1.Kyung Hee University, 26, Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, South Korea ;2.Hongik University, 94 Wausan-ro, Mapo-gu, Seoul, 04066, South Korea ;3.Chosun University, 309 Pilmun-Daero, Dong-Gu, Gwangju, 61452, South Korea ;4.Guro High School, Gamasanro 27 Guro-dong Guro-gu Seoul, 08299, South Korea ; |