1. Department of Medicinal
and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 807, Taiwan
2. Department
of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
3. Department of Physiology,
School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan
4. Graduate
Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 110, Taiwan
5. Department
of Applied Chemistry, National University of Kaohsiung, Kaohsiung 804, Taiwan
6. Department of Chemistry, National Sun Yat-Sen University, Kaohsiung 804, Taiwan