Fu, Yuan
Chen, Mulei
Sun, Hao
Guo, Zongsheng
Gao, Yuanfeng
Yang, Xinchun
Li, Kuibao
Wang, Lefeng http://orcid.org/0000-0002-6812-5884
Funding for this research was provided by:
National Key R&D Program of China (2016YFC1301102)
Article History
Received: 19 August 2020
Accepted: 26 October 2020
First Online: 3 November 2020
Ethics approval and consent to participate
: This study was approved by the institutional review board of Beijing Chaoyang Hospital and performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. Written informed consent forms were obtained from all participates and/or their legal relatives. Some of the participates could not make a decision due to a severe state of illness, such as unconsciousness. In that kind of circumstance, written informed consent forms were obtained from patients’ legal relatives. The ethics committee approved consents were also obtained from participates’ legal relatives.
: Not applicable.
: This manuscript is the authors' original work and has not been published elsewhere. All authors declare no conflict of interest.