Song, Wan-mei http://orcid.org/0000-0001-9690-8184
Li, Yi-fan
Ma, Xiao-bin
Liu, Jin-yue
Tao, Ning-ning
Liu, Yao
Zhang, Qian-yun
Xu, Ting-ting
Li, Shi-jin
Yu, Chun-Bao
Gao, Lei
Cui, Liang-liang
Li, Huai-chen
Funding for this research was provided by:
Department of Science & Technology of Shandong Province (No.2007GG30002033, No.2017GSF218052)
Jinan Science and Technology Bureau (No.201704100)
Article History
Received: 23 May 2019
Accepted: 25 September 2019
First Online: 18 October 2019
Ethics approval and consent to participate
: The protocols applied in this study were approved by the Ethics Committee of Shandong Provincial Hospital, affiliated with Shandong University (SPH) and and the Ethic Committee of Shandong Provincial Chest Hospital (SPCH), China. Before analysis, patient records were anonymized and deidentified.
: Not applicable.
: The authors declare that they have no competing interests.