1. Laboratory of Medicinal Chemistry, Department of Pharmaceutical Sciences, University of Antwerp (UA), Universiteitsplein 1, B-2610 Wilrijk, Antwerp, Belgium
2. Laboratory of Medical Biochemistry, Department of Pharmaceutical Sciences, University of Antwerp (UA), Universiteitsplein 1, B-2610 Antwerp, Belgium
3. Division of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Zhu Nan, Miaoli 350, Taiwan, ROC