1. Department of Biomedical Engineering; University of California; Davis CA 95616 USA
2. Department of Medical & Pharmaceutical Sciences; Sookmyung Women's University; Seoul 140-742 Republic of Korea
3. Department of Electrical and Computer Engineering; University of California; Davis CA 95616 USA
4. Department of Plant & Environmental New Resources; Kyung Hee University; Yongin 446-701 Republic of Korea
5. Department of Surgical & Radiological Sciences; School of Veterinary Medicine; University of California; Davis CA 95616 USA
6. California Animal Health and Food Safety Laboratory; University of California; Davis CA 95616 USA