1. Division of Malaria and Parasitic Diseases, National Institute of Health, Centers for Disease Control and Prevention, Osong 363-951, Korea.
2. Department of Parasitology and Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju 660-751, Korea.
3. Department of Parasitology and Inha Research Institute for Medical Sciences, Inha University College of Medicine, Incheon 400-712, Korea.
4. Department of Molecular Parasitology, Sungkyunkwan University School of Medicine, Center for Molecular medicine, Samsung Biomedical Research Institute, Suwon 440-746, Korea.
5. Department of Parasitology and Medical Research Institute, Chungbuk National University College of Medicine, Cheongju 360-763, Korea.
6. Infection Disease Intelligence Division, Gangwon Institute of Health and Environment, Chuncheon 200-822, Korea.