1. Division of Neuro-anesthesia, Department of Anesthesia and Intensive Care, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
2. Institute of Bioinformatics, International Tech Park, Bangalore, India.
3. Department of Biochemistry, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
4. Department of Neurosurgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
5. Department of Neurology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
6. Department of Anatomy, Postgraduate Institute of Medical Education and Research, Chandigarh, India.