1. Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, 20 North Pine St., Baltimore, MD 21201, USA
2. University of Maryland School of Medicine, 655 W Baltimore St, Baltimore, MD 21201, USA
3. Department of Chemistry, S. S. Khanna Girls Degree College, Allahabad, Uttar Pradesh 211003, India
4. Department of Botany, D.N. College, Meerut, Uttar Pradesh 250002, India
5. Department of Chemistry, Govt. Raza PG College, Rampur, Uttar Pradesh 244901, India