Liu, Fei
Wang, Baojie
Wang, Chunjuan
Zhang, Bingbing
Guo, Shougang http://orcid.org/0000-0003-0748-6990
Funding for this research was provided by:
the National Natural Science Foundation of China (8167050849)
Article History
Received: 16 June 2020
Accepted: 4 November 2020
First Online: 20 November 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This retrospective study was approved by the Ethics Committee of the Shandong Provincial Hospital Affiliated to Shandong University and performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. Informed written consent was obtained from patients or their representatives.
: Not applicable.
: All authors have approved the manuscript and agreed with submission to the Journal of Neurology.
: Written informed consent was obtained from all patients or their representatives.