1Department of Family Medicine, The Catholic University of Korea, Seoul St. Mary's Hospital, Seoul 137-040, Korea.
2Department of Parasitology, College of Medicine, Dankook University, Cheonan 330-714, Korea.
3Department of Pathology, Dankook University College of Medicine, Cheonan, 330-714, Korea.
4Department of Parasitology and Institute for Medical Science, College of Medicine, Inha University, Incheon 400-103, Korea.
5Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine, and Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul 110-799, Korea. JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/