1. Department of Consumer Studies, Chungbuk National University, Cheongju, Korea
2. Department of Consumer Studies, Incheon National University, Incheon, Korea
3. Department of Consumer Studies, Chungnam National University, Daejeon, Korea
4. Department of Consumer Economics, Sookmyung Women’s University, Seoul, Korea
5. Department of Leadership, Yonsei University, Seoul, Korea