1. H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
2. Department of Chemistry, Forman Christian College (A Chartered University), Lahore, Pakistan
3. Department of Chemistry, Science and Arts College, King Abdulaziz University, Jeddah, Saudi Arabia
4. Institute of Chemistry, University of the Punjab, Lahore, Pakistan
5. Department of Chemistry, University of Gujrat, Gujrat, Pakistan