1. Department of Environmental Science and Engineering, Tung-Hai University, Taichung, Taiwan;
2. Department of Safety, Health and Environmental Engineering, Hungkuang University, Taichung, Taiwan;
3. Department of Biotechnology and Environment, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam;
4. Department of Safety, Health and Environmental Engineering, National United University, Miao-Li, Taiwan