1. 2Department of Internal Medicine, Chonnam National University Medical School, 671 Jebong-ro, Dong-gu, Gwangju, 501-757, Korea (Republic of)
2. 1Department of Internal Medicine, Chonnam National University Medical School, 671 Jebong-ro, Dong-gu, Gwangju, 501-757, Korea (Republic of), Tel. +82-61-379-7617, Fax +82-61-379-7619
3. 3Department of Pathology, Chonnam National University Medical School, 671 Jebong-ro, Dong-gu, Gwangju, 501-757, Korea (Republic of)