1. Biomedical Science Laboratory, Department of Nutrition, China Medical University, Taichung 40402, Taiwan
2. Department of Anatomy, Taipei Medical University, Taipei 105, Taiwan
3. Nutrition and Cancer Biology Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, Massachusetts 02111, United States
4. Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy, Tufts University, Boston, Massachusetts 02111, United States