1. Division of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Taipei, Taiwan, R.O.C.
2. Department of Physiology, School of Medicine, Taipei Medical University, Taipei, Taiwan, R.O.C.
3. Division of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Taipei, Taiwan, R.O.C. and Department of Physiology, School of Medicine, Taipei Medical University, Taipei, Taiwan, R.O.C.
4. Division of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Taipei, Taiwan, R.O.C.. ctchen@nhri.org.tw