1. College of Administration and Business, Dankook University, 152, Jukjeon-ro, Suji-gu, Yongin-si 16890, Gyeonggi-do, Republic of Korea
2. School of Management, Kyunghee University, 701, Orbis Hall, 24, Kyungheedae-ro, Dongdaemun-gu, Seoul 02453, Republic of Korea
3. Institute for Educational Research, Faculty of Education, Yonsei University, 50, Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea