1. Department of Pathophysiology; Victor-Babes-University of Medicine and Pharmacy; Timisoara Romania
2. Department of Pharmacognosy; Victor-Babes-University of Medicine and Pharmacy; Timisoara Romania
3. Martin-Luther-University Halle-Wittenberg, Organic Chemistry; Halle (Saale) Germany
4. Chair of Oman's Medicinal Plants and Marine Natural Products; University of Nizwa, Birkat Al-Mauz; Nizwa Sultanate of Oman