[1] Chang Gung Univ, Coll Med, Grad Inst Biomed Sci, Tao Yuan 333, Taiwan
[2] Chang Gung Univ, Coll Med, Dept Physiol & Pharmacol, Tao Yuan 333, Taiwan
[3] Chang Gung Univ, Coll Med, Mol Med Res Ctr, Tao Yuan 333, Taiwan
[4] Chang Gung Univ, Coll Med, Dept Chinese Med, Tao Yuan 333, Taiwan
[5] Chang Gung Mem Hosp, Dept Neurosurg, Tao Yuan 333, Taiwan
[6] Taipei Chang Gung Mem Hosp, Dept Obstet & Gynecol, Taipei 105, Taiwan
[7] NCI, Lab Cell Biol, CCR, NIH, Bethesda, MD 20850 USA
[8] Tunghai Univ, Dept Chem, Taichung 407, Taiwan