1. Graduate Institute of Medical Sciences; Taipei Medical University; Taipei Taiwan
2. Department of General Surgery; Chi-Mei Medical Center; Tainan Taiwan
3. Graduate Institute of Pharmacognosy; Taipei Medical University; Taipei Taiwan
4. Division of General Surgery; Department of Surgery; Landseed Hospital; Taoyuan Taiwan
5. Department of Medicine; University of British Columbia; Vancouver BC Canada
6. Department of Pharmacology, School of Medicine; College of Medicine; Taipei Medical University; Taipei Taiwan