1. Department of Medical Surgical Nursing, College of Nursing, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
2. Department of Neurology, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
3. Department of Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
4. Department of Biostatistics, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India,