1. Graduate Institute of Natural Products, Kaohsiung Medical University, 100, Shi-Chuan first Rd., Kaohsiung, Taiwan, Department of Nursing, Tzu Hui Institute of Technology, 367, San-Min Rd., Nan-Zhou Village, Ping-Tung County, Taiwan, and National Research Institute of Chinese Medicine, 155−1, Sec 2, Li-Nung St., Taipei, Taiwan