1. Institute of Traditional Medicine, School of Medicine, National Yang-Ming University, 155 Li-Nong Street, Section 2, Taipei 112, Taiwan
2. Department of Urology, School of Medicine, National Yang-Ming University, Taipei 112, Taiwan
3. Division of Urology, Department of Surgery, Taipei City Hospital, Taipei 10341, Taiwan
4. National Research Institute of Chinese Medicine, Ministry of Health and Welfare, Taipei 112, Taiwan
5. School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
6. Graduate Institute of Acupuncture Science, China Medical University, Taichung 40402, Taiwan
7. Department of Chemical Engineering, National United University, Miaoli 36063, Taiwan