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Authors
Meng, Jing
Xu, Hongqin
Sui, Dongming
Jiang, Jing
Li, Jie
Gao, Yanhang
Niu, Junqi https://orcid.org/0000-0002-5187-7297
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Article History
Received: 18 October 2018
Accepted: 14 May 2019
First Online: 20 May 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the First Hospital of Jilin University (reference No: 2016–428). Consents from the participants were not required due to the anonymous nature of the data.
: Not applicable.
: We declare no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
