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Authors
Yuan, Li
Zhang, Xiaoming
Guo, Na
Li, Zhen
Lv, Dongmei
Wang, Hui
Jin, Jingfen
Wen, Xianxiu
Zhao, Shengxiu
Xu, Tao
Jiao, Jing
Wu, Xinjuan
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Article History
Received: 29 April 2021
Accepted: 12 October 2021
First Online: 25 October 2021
Declarations
:
: Not applicable.
: This study was performed in accordance with the Declaration of Helsinki and was approved by the Ethics Committee of Peking Union Medical College Hospital (S-K540). Written informed consent was given by all patients enrolled in this study. If the patients had specific conditions, such as cognitive decline, the investigator interviewed a legal guardian or representative who took care of him to provide consent to participate in this study. Participants were excluded if they had persistent unconsciousness or were unable to provide ethical consent for their participation, and if their caregivers were unable to provide effective information.
: The authors declare that they have no competing interests.
