1. Dental Department, Wan Fang Hospital, Taipei, Taiwan, ROC
2. School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan, ROC
3. Dental Department, Cathay General Hospital, Taipei, Taiwan, ROC
4. Dental Department, En Chu Kong Hospital, New Taipei City, Taiwan, ROC
5. Graduate Institute of Biomedical Optomechatronics, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan, ROC