1. Department of BioScience Technology; Chung Yuan Christian University; Chungli Taoyuan Taiwan 320
2. Department of Biological Engineering; Massachusetts Institute of Technology; Cambridge MA 02139 USA
3. Hacettepe University; Faculty of Pharmacy, Department of Toxicology; 06100 Ankara Turkey
4. Department of Biomedical Engineering; Chung Yuan Christian University; Chungli Taoyuan Taiwan 320