1. Food Safety and Health Research Unit; Department of Microbiology; Faculty of Science; Prince of Songkhla University; Hat Yai Songkhla Thailand
2. Department of Pathology; Faculty of Medicine; Prince of Songkla University; Hat Yai Songkhla Thailand
3. Department of Biomedical Science; Faculty of Medicine; Prince of Songkla University; Hat Yai Songkhla Thailand