1. Departments of Pediatrics; Gyeongsang Institute of Health Science; Gyeongsang National University School of Medicine; Jinju; South Korea
2. Department of Pathology; Gyeongsang Institute of Health Science; Gyeongsang National University School of Medicine; Jinju; South Korea
3. Department of Microbiology; Gyeongsang Institute of Health Science; Gyeongsang National University School of Medicine; Jinju; South Korea