- Correspondence to Dr Daojun Hong, Department of Neurology, The First Affiliated Hospital of Nanchang University, Nanchang, China; ; Dr Zhaoxia Wang, Department of Neurology, Peking University First Hospital, Beijing, China;
- Received May 6, 2019
- Revised June 25, 2019
- Accepted July 16, 2019
- First published August 14, 2019.
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