1. Department of Malaria and Parasitic Diseases, National Institute of Health, Seoul 122-701, Korea.
2. Departments of Parasitology and Institute of Health Sciences, Gyeongsang National University College of Medicine, Jinju 660-751, Korea.
3. Department of Veterinary Parasitology, Chonnam National University College of Veterinary Medicine, Gwangju 500-757, Korea.
4. Department of Microbiology, Jeollanam-do Government Public Institute of Health & Environment, Gwangju, 502-810, Korea.
5. Department of Molecular Parasitology, School of Medicine, SungKyunKwan University, Suwon 440-746, Korea.