Affiliation: | 1. Department of Pathology, Kyung Hee University Hospital at Gangdong, Kyung Hee University, Seoul 134-727, Korea;2. Department of Pathology, Kyung Hee University Hospital, Kyung Hee University, Seoul 130-872, Korea;3. Department of Biomedical Science, College of Health Science, Korea University, Seoul 136-703, Korea;4. Department of Medical Laboratory Science, College of Heath Science, Cheongju University, Chungbuk, 360-764, Korea |