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Authors
Song, Xiang http://orcid.org/0000-0001-6270-4634
Gong, Jian http://orcid.org/0000-0002-8793-0328
Zhang, Xiaoling
Feng, Xiaoyan
Huang, Hui
Gao, Min
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Article History
Received: 22 April 2020
Revised: 7 July 2020
Accepted: 22 July 2020
First Online: 12 August 2020
Ethics approval and consent to participate
: This study was approved (cch-BOC-1800020) by the ethics committee of Cangzhou Central Hospital, Hebei, China, and all patients provided written informed consent. This study was conducted in accordance with the Declaration of Helsinki.
: Not applicable.
: The datasets used and/or analysed during the current study are available from the corresponding author on reasonable request.
: The authors declare no competing interests.
: This work was funded by CIP program from Stilla technologies Co., Ltd.
