1. Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
2. School of Applied & Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
3. Department of Biophysics, Bose Institute, P-1/12 CIT Scheme VII (M), Kolkata 700054, India
4. Department of Biochemistry, Indian Institute of Science, Bangalore 560012, India