- Correspondence to Dr Sunil Pradhan, Department of Neurology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow 226014, Uttar Pradesh, India;
- Received March 23, 2014
- Revised February 26, 2015
- Accepted March 17, 2015
- First published May 11, 2015.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.