Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, 1, Hseuh-Fu Rd., Nei-Pu, Pingtung 91201, Taiwan. E-mail: [email protected].
Corresponding author. Zeng-Yei Hseu, Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, 1, Hseuh-Fu Rd., Nei-Pu, Pingtung 91201, Taiwan. E_mail address: [email protected].
Received June 13, 2005; accepted Nov. 23, 2005
doi: 10.1097/01.ss.0000209354.68783.f3