1. Prince of Songkla University; Hat Yai Songkhla Thailand
2. Phytomedicine and Pharmaceutical Biotechnology Research Center; Faculty of Pharmaceutical Sciences; Prince of Songkla University; Hat Yai Songkhla Thailand
3. Natural Product Research Center of Excellence; Faculty of Science; Prince of Songkla University; Hat Yai Songkhla Thailand
4. Department of Stomatology; Faculty of Dentistry; Prince of Songkla University; Hat Yai Songkhla Thailand
5. Department of Pharmacognosy and Pharmaceutical Botany; Faculty of Pharmaceutical Sciences; Prince of Songkla University; Hat Yai Songkhla Thailand
6. Dental Division; Songkhla Rajanagarindra Psychiatric Hospital; Hat Yai Songkhla Thailand
7. Microbiology Unit; Faculty of Medicine; Prince of Songkla University; Hat Yai Songkhla Thailand
8. Department of Microbiology; Faculty of Science; Prince of Songkla University; Hat Yai Songkhla Thailand