1. Institute of Pharmaceutical Biology and BiotechnologyHeinrich Heine University Universitaetsstrasse 1, Geb. 26.23 40225 Duesseldorf Germany
2. Department of PharmacyFaculty of Health SciencesUniversitas Jenderal Soedirman, Jalan dr. Soeparno, Karangwangkal 53123 Purwokerto Indonesia
3. Institute of Complex Systems: Strukturbiochemie (ICS-6)Forschungszentrum Jülich Wilhelm-Johnen-Strasse 52428 Juelich Germany