aDepartment of Neurology, People’s Hospital of Wuzhou, Wuzhou, Guangxi

bYoujiang Medical University for Nationalities, Baise, China

Received 28 October 2021 Accepted 7 December 2021

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Correspondence to Hongyan Xu, Department of Neurology, People’s Hospital of Wuzhou, No.139, Sanlong Avenue, Changzhou District, Wuzhou, Guangxi 543000, China, Tel: +86 774 2830866; fax: +86 7742830866; e-mail:[email protected]