1Department of Environmental and Tropical Medicine, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul 05029’, Korea
2Department of Infection Biology, Chungnam National University School of Medicine, Daejeon 35015, Korea
3Korea Association of Health Promotion, Seoul 07653, Korea
4Center for Schistosomiasis Control, White Nile Ministry of Health, Sudan
5Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine, Seoul 03080, Korea JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/