1. Department of Nanobiotechnology, Vision Research Foundation, Chennai 600006, India
2. Institute of Bioinformatics, Bangalore 560066, Karnataka, India
3. Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
4. Department of Physics, Indian Institute of Technology, Madras, Chennai 600036, India
5. Central Research Instrumentation Facility, Core Lab, Vision Research Foundation, Chennai 600006, India