1. Department of Life Sciences, National Cheng Kung University, Tainan 701, Taiwan, R.O.C.
2. Department of Pharmacy, Buddhist Tzu Chi General Hospital, Hualien 970, Taiwan, R.O.C.
3. Department of Nursing, Chung Jen Catholic Junior College, Chiayi County 622, Taiwan, R.O.C.
4. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 404, Taiwan, R.O.C.
5. Department of Pharmacy, China Medical University, Taichung 404, Taiwan, R.O.C.
6. Department of Biological Science and Technology, China Medical University, Taichung 404, Taiwan, R.O.C.