Tian, Rong-hua
Zhang, Qin-ming
Chu, Feng-long
Li, Xiao-yan
Jiang, Zhen
Han, Liang
Sun, Peng
Wang, Hai-bin
Chi, Yu-lei
Wu, Bin
Funding for this research was provided by:
Jining Medical University Helin Academician Fund (JYHL2018FMS13)
Supporting Fund for Teachers' Research at Jining Medical University (JYFC2018FKJ048)
Jining Science and Technology Bureau Medical Health Fund (2018SMNS002)
Article History
Received: 25 November 2019
Accepted: 21 February 2020
First Online: 17 March 2020
Ethics approval and consent to participate
: This retrospective study was approved by the relevant Institutional Review Board at the Affiliated Hospital of Jining Medical University. The reference number is not applicable. Explicit informed consent for this retrospective study was not required.
: Not applicable.
: The authors declare that they have no competing interests.