1. Medical School, Yeditepe University, Istanbul, Turkey
2. Department of Microbiology and COE Program in the 21st Century, University of Shizuoka School of Pharmaceutical Sciences, Shizuoka, 422-8526, Japan
3. Department of Parasitology, Aichi Medical University, Aichi, 480-1195, Japan
4. Department of Microbiology, School of Medicine, Gifu University, Gifu, 500-8705, Japan
5. Department of Bacteriology, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
6. Department of Food Science, Shizuoka Eiwa Gakuen University Junior College, Shizuoka, 422-8005, Japan