Affiliations: Department of Neurosurgery, Sanjay Gandhi Postgraduate
Institute of Medical Sciences, Lucknow, India
Note: [] Correspondence: Dr. Raj Kumar, M.D., Professor and Head,
Department of Neurosurgery, Sanjay Gandhi Postgraduate, Institute of Medical
Sciences, Lucknow, India. Tel.: +91 522 2668700; Fax: +91 522 2668129 &
2668017; E-mail: rajkumar@sgpgi.ac.in