1. Basic Medical Science Education Center and Department of Medical Technology, Fooyin University, Kaohsiung County 831, Taiwan, Graduate Institute of Medical Biotechnology, Chang Gung University, Kwei-Shan, Taoyuan 333, Taiwan, Graduate Institute of Biopharmaceutics, College of Life Sciences, National Chiayi University, 300 University Road, Chiayi 600, Taiwan, and Department of Applied Chemistry, Chung Shan Medical University, Taichung 402, Taiwan