1. Division of Gastrointestinal Surgery, Department of Surgery, Ren-Ai Branch, Taipei City Hospital, Taipei 10629, Taiwan
2. General Education Center, University of Taipei, Taipei 10617, Taiwan
3. Institute of Traditional Medicine, School of Medicine,National Yang Ming Chiao Tung University, Taipei 112, Taiwan
4. Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
5. Graduate Institute of Acupuncture Science, China Medical University, Taichung 40402, Taiwan
6. School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan