1. Department of Pharmacology, Sri Krishnadevaraya University, Anantapur 515 003, A.P., India
2. Food and Drug Toxicology Research Centre, National Institute of Nutrition, Hyderabad 500 604, A.P., India
3. Department of Pharmacology, Nirmala College of Pharmacy, Kadapa, A.P., India
4. Department of Research and Development, Hetero Labs Limited, Unit-III, Jeedimetla, Hyderabad, A.P., India
5. Department of Pharmaceutics, Sri Krishnadevaraya University, Anantapur 515 003, A.P., India