1. University of Hyderabad, Department of Animal Biology, School of Life Sciences, Hyderabad 500 046, India
2. National Institute of Pharmaceutical Education and Research (NIPER), Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, Sector 67, S.A.S. Nagar, Mohali, Punjab 160062, India
3. University of Hyderabad, School of Physics, Hyderabad 500 046, India