1. Graduate Institute of Environmental Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 10617, Taiwan
2. Institute of Environmental Engineering, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
3. Topco Scientific Company Limited, No. 483, Sec. 2, Tiding Blvd, Taipei 11493, Taiwan