1. Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, Weinberg, Germany
2. School of Pharmaceutical Sciences and Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
3. Department of Chemistry, Karakoram International University, Gilgit, Pakistan
4. Department of Urology Masonic Cancer Center, University of Minnesota (Twin Cities), Minneapolis, USA
5. Medicinal Plants Division, Research Center, Dhofar University, Salalah, Oman
6. Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
7. Department of Chemistry and Polymer Science, University of Stellenbosch, Stellenbosch, South Africa