1. Tata Institute of Fundamental Research Hyderabad, Gopanpally, Hyderabad-500046, Telangana, India
2. Institut für Biochemie, Universität Greifswald, Felix-Hausdorff-Straße 4, D-17489 Greifswald, Germany
3. Department of Chemistry, Ramakrishna Mission Residential College, Narendrapur, Kolkata-700103, India
4. Theoretical Sciences Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore-560064, India