1. Computational Biochemistry Laboratory, Department of Chemistry and Centre for Advanced Studies in Chemistry, Panjab University, Chandigarh 160014, India
2. Departments of Chemistry and Toxicology, University of Guelph, Guelph, Ontario N1G 2W1, Canada
3. Department of Chemistry and Biochemistry, University of Lethbridge, Lethbridge, Alberta T1K 3M4, Canada