1. Biochemistry and Structural Biology Division, CSIR-Central Drug Research Institute Sector 10, Jankipuram Extension, Sitapur Road, Lucknow 226 031, India
2. Academy of Scientific and Innovative Research (AcSIR), New Delhi 110001, India
3. Electron Microscopy Unit, CSIR-Central Drug Research Institute Sector 10, Jankipuram Extension, Sitapur Road, Lucknow 226 031, India