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Authors
Ding, Jun
Xu, Jing
Ma, Wei
Chen, Bingwei
Yang, Peigen
Qi, Yu
Sun, Shan http://orcid.org/0000-0003-0763-0999
Cheng, Aijuan
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Funding
Funding for this research was provided by:
Science and Technology Funding of Tianjin Chest Hospital (2018-XKC09)
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Article History
Received: 21 August 2019
Accepted: 4 December 2019
First Online: 17 December 2019
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Tianjin Chest Hospital before.the start of the work, and each patient signed a written consent form.
: Not applicable.
: The authors declare that they have no competing interests.
