1. Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine, Institute of Endemic Diseases Medical Research Center, Seoul National University, Seoul, Korea.
2. Department of Radiology, Seoul National University College of Medicine, Seoul, Korea.
3. Center for Neglected Tropical Disease Control, White Nile State, Republic of Sudan.
4. Korea Association of Health Promotion, Seoul, Korea.
5. Department of Infection Biology, Chungnam National University School of Medicine, Daejeon, Korea.