Liu, Hongpeng
Jiao, Jing
Zhu, Chen
Zhu, Minglei
Wen, Xianxiu
Jin, Jingfen
Wang, Hui
Lv, Dongmei
Zhao, Shengxiu
Wu, Xinjuan
Xu, Tao
Funding for this research was provided by:
Peking Union Medical College (2018PT33001)
Article History
Received: 8 May 2020
Accepted: 27 August 2020
First Online: 3 September 2020
Ethics approval and consent to participate
: This study 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.
: We declare no competing interests relevant to this manuscript.