1. Institute of Pharmaceutical Biology and Biotechnology, Heinrich Heine University Düsseldorf, Universitätsstrasse 1, 40225 Düsseldorf, Germany
2. Department of Pharmacy, Faculty of Mathematic and Natural Sciences, Udayana University, 80361 Bali, Indonesia
3. Institute of Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Universitätsstrasse 1, 40225 Düsseldorf, Germany
4. Department of Organic Chemistry, University of Debrecen, P.O.B. 400, 4002 Debrecen, Hungary
5. Institute of Inorganic Chemistry and Structural Chemistry, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
6. Center for Pharmaceutical and Medical Technology, Agency for the Assessment and Application Technology, 10340 Jakarta, Indonesia
7. Institute of Physiological Chemistry, Universitätsmedizin der Johannes Gutenberg-Universität Mainz, Duesbergweg 6, 55128 Mainz, Germany