1. Department of Optometry, Yuanpei University of Medical Technology, Hsinchu 300044, Taiwan
2. Department of Optics and Photonics, National Central University, Taoyuan 320317, Taiwan
3. Department of Optometry, Da-Yah University, Changhua 515006, Taiwan
4. Department of Healthcare Information and Management, Ming Chuan University, Taoyuan 333001, Taiwan
5. Department of Aeronautical Engineering, National Formosa University, Yunlin 632301, Taiwan