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Authors
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Funding
Funding for this research was provided by:
National Key R&D Program of China (2017YFC1307500)
Capital Healthy Development Research Funding (2016-1-2011, 2020-1-2013)
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Article History
Received: 15 November 2020
Accepted: 9 June 2021
First Online: 5 August 2021
Declarations
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: The study was approved by the Ethics committee of the Beijing Tiantan Hospital affiliated with the Capital Medical University of the People’s Republic of China, the reference number for the ethics approval is KY-2017-071-02. For each patient, an informed consent was obtained verbally before study enrollment or, in the case of impossibility for patient to give informed consent because of his/her neurological status, informed consent was obtained by a family member, which was approved by the Ethics committee of the Beijing Tiantan hospital. The study was conducted in accordance with the Declaration of Helsinki, and all participants provided informed consent for the use of their medical records.
: Not applicable.
: The authors declare that they have no competing interests.
