1. National Chin-Yi University of Technology,Department of Electrical Engineering,Taichung,Taiwan
2. University of Southern California,Alfred E. Mann Department of Biomedical Engineering,Los Angeles,California,United States
3. University of Southern California,USC Roski Eye Institute,Los Angeles,California,United States
4. Roski Eye Institute University of Southern California,Alfred E. Mann Department of Biomedical Engineering and USC,Los Angeles,California,United States