Global citimpact: 16.06 Researcher at Molecular and Cellular Glycobiology Unit, Department of Biological Science, SungKyunKwan University, 300 Chunchun-Dong, Jangan-Gu, Suwon City, Kyunggi-Do 440-746, Republic of ; Department of Medicinal Biotechnology, Dong-A University, Saha-Gu, Busan 604-714, Republic of .