- Correspondence to Professor Young Ho Sohn, Department of Neurology, Yonsei University College of Medicine, 5001 Yonsei0ro Seodaemun0gu, Seoul, 120-752, South Korea;
- Received 17 March 2017
- Revised 3 September 2017
- Accepted 11 September 2017
- Published online 26 September 2017.
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.