1. Creative Technology Management, Underwood International College; Yonsei University; Seoul Korea
2. Department of Library and Information Science; Kyonggi University; 154-42, Gwanggyosan-ro, Yeongtong-gu Suwon-si Gyeonggi-do Republic of Korea
3. Department of Library and Information Science; Yonsei University; 50 Yonsei-ro, Seodaemun-gu Seoul Korea