1. Department of Microbiology, School of Medicine, Gyeongsang National University, 816-15 Jinju-daero, Jinju, Gyeongnam, Korea.
2. Helicobacter pylori Korean Type Culture Collection, Gyeongsang National University, 816-15 Jinju-daero, Jinju, Gyeongnam, Korea.
3. Deaprtment of Pediatrics, School of Medicine, Gyeongsang National University, 816-15 Jinju-daero, Jinju, Gyeongnam, Korea.