1. Department of Chemistry, University of Malakand Chakdara Dir (lower), Khyber Pakhtunkhwa, Pakistan
2. Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan
3. Institute of Paramedical Sciences, Khyber Medical University, Peshawar, Pakistan
4. Department of Chemistry, COMSATS Institute of Information Technology, Abbottabad, Pakistan