1. Department of Chemical Engineering and Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan, ROC
2. Department of Medical Imaging and Radiological Sciences and Institute for Radiological Research, Chang Gung University, Taoyuan 33302, Taiwain, ROC
3. Department of Nuclear Medicine and Molecular Imaging Center, Chang Gung Memorial Hospital, Taoyuan 33302, Taiwain, ROC
4. Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu 30013, Taiwain, ROC
5. Department of Electrical Engineering, Chang Gung University, Taoyuan 33302, Taiwain, ROC