1. Department of Radiology
2. Taipei Veterans General Hospital
3. Taipei 11217
4. Taiwan
5. Department of Occupational Safety and Health
6. Chung Hwai University of Medical Technology
7. Tainan 717
8. Department of Chemistry
9. National Chung Hsing University
10. Taichung 40227
11. Department of Applied Chemistry
12. Providence University
13. Taichung 43301