1. Centre for Advanced Drug Research; COMSATS Institute of Information Technology; Abbottabad - 22060 Pakistan
2. Department of Chemistry; Forman Christian College (A Chartered University); Ferozepur Road Lahore 54600 Pakistan
3. Department of Life Sciences and Chemistry; Jacobs University, Campus Ring 1; 28759 Bremen Germany
4. Department of Chemistry; Quaid-i-Azam University; 45320 - Islamabad Pakistan
5. Dr. K. C. Patel Research and Development Centre; Charotar University of Science and Technology (CHARUSAT), Dist. Anand; 388421, Gujarat India