1. UoN Chair of Oman's Medicinal Plants and Marine Natural Products; University of Nizwa; Nizwa-616 Oman
2. Department of Biological Sciences and Chemistry; University of Nizwa; Nizwa-616 Oman
3. Department of Chemistry; University of Malakand; KPK Pakistan
4. Institute of Chemical Sciences; Bahauddin Zakariya University; Multan