1. Department of Dermatology, Research Center of Comprehensive Medicine, Faculty of Medicine; University of the Ryukyus; Okinawa
2. Department of Parasitology; Kochi Medical School
3. 2nd Department of Biochemistry, Faculty of Medicine; University of the Ryukyus
4. Institute for Laboratory Animals; Kochi Medical School
5. Department of Tropical Medicine, Faculty of Medicine; Catholic University; Guayaquil Ecuador