Ni, Yang http://orcid.org/0000-0001-5508-6356
Peng, Jinchao
Yang, Xia
Wei, Zhigang
Zhai, Bo
Chi, Jiachang
Li, Xiaoguang
Ye, Xin
Article History
Received: 12 August 2020
Revised: 20 March 2021
Accepted: 15 April 2021
First Online: 15 June 2021
Ethics approval and consent to participate
: The ethics committee of Shandong Provincial Hospital Affiliated to Shandong First Medical University, Renji Hospital of Jiaotong University, The First Affiliated Hospital of Shandong First Medical University, Beijing Hospital and National Geriatric Medical Center approved the study. The study was performed in accordance with the Declaration of Helsinki. Informed consent was obtained from the subjects prior to participating in the study.
: Not applicable.
: All the data generated in this study are included in this paper. The data presented in this paper will be available from the corresponding author upon request.
: The authors declare no competing interests.
: This study has received funding from National Natural Science Foundation of China (81502610 and 82072028) and Shandong Provincial Natural Science Foundation, China (ZR201911040313).
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