1. Department of Biology, Faculty of Science, Thaksin University, Phatthalung, Thailand
2. Department of Basic Science and Mathematics, Faculty of Science, Thaksin University, Songkhla, Thailand
3. Department of General Science and Liberal Arts, King Mongkut’s Institute of Technology Ladkrabang Prince of Chumphon Campus, Chumphon, Thailand
4. Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, Korea