1. Department of Electronic Engineering, Center for Environmental Toxin and Emerging-Contaminant Research, Super Micro Mass Research & Technology Center, Cheng Shiu University, Chengcing Rd., Niaosong District, Kaohsiung 83347, Taiwan
2. Department of Electronic Engineering, Southern Taiwan University of Science and Technology, Tainan 710301, Taiwan
3. Department of Information and Communication Engineering, Chaoyang University of Technology, Taichung 413310, Taiwan