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Authors
Chen, Zhaojuan
Bai, Xuefei
Jin, Guanghui
Tao, Xin
Huang, Guowei
Zhao, Yali https://orcid.org/0000-0003-0228-4388
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Article History
Received: 3 June 2020
Accepted: 29 November 2020
First Online: 6 December 2020
Ethics approval and consent to participate
: The confidentiality of the study participants was guaranteed. With a full explanation of the purpose and procedure of the study, signed consent forms from general practitioners (GPs) and verbal consent from patients which was documented by recording with patients’ permission were obtained prior to the study. The present study including the above informed consent was approved by the Medical Ethics Committee of Capital Medical University, Beijing, China.
: Not applicable.
: The authors declare that they have no competing interests.
