1. Institute of Pharmacology & Toxicology; Tzu Chi University; Hualien Taiwan
2. Center for Vascular Medicine; College of Life Sciences; Tzu Chi University; Hualien Taiwan
3. Institute of Medical Sciences; College of Medicine; Tzu Chi University; Hualien Taiwan
4. Department of Medical Research; Buddhist Tzu Chi General Hospital; Hualien Taiwan
5. Department of Life Sciences; Tzu Chi University; Hualien Taiwan. Department of Pharmacology; Southern Illinois University School of Medicine; Springfield IL USA