1. Department of Preventive and Social Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India,
2. Department of Anaesthesiology and Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India,
3. Department of Radiation Oncology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India,