1. School of Medicine, Fu-Jen Catholic University, New Taipei, Taiwan, R.
O. C.
2. Department of Chemistry, Fu-Jen Catholic University, New Taipei, Taiwan, R.
O. C.
3. Department of Chemistry, National Taiwan University, Taipei, Taiwan, R. O. C.
4. Division of Hematology, Department
of Internal Medicine, The University of Texas Health Science Center at Houston, Houston, Texas 77030, United
States