1. Faculty of Pharmacy, Gomal University, D.I. Khan, Pakistan;
2. Department of Pharmaceutical Technology, University of Innsbruck, Innsbruck, Austria;
3. Faculty of Pharmacy, University of Lahore, Lahore, Pakistan;
4. Institute of Chemical Sciences, Gomal University, D.I. Khan, Pakistan;
5. Department of Pharmacy, The University of Poonch, Rawalakot, Pakistan;
6. Department of Pharmacy, Shaheed Benazir Bhutu University, Sheringal Dir, Pakistan