1. Interdisciplinary Program of Life Science, National Tsing Hua University, Hsinchu 300, Taiwan
2. Department of Nephrology, Clinical Poison Center, Kidney Research Center, Center for Tissue Engineering, Chang Gung Memorial Hospital and Chang Gung University, Linkou 333, Taiwan
3. Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu 300, Taiwan