Liu, Hong-Yun
Zhang, Yu-Ying
Zhu, Bao-Lian
Feng, Fu-Zhong
Zhang, Hai-Tang
Yan, Hua
Zhou, Bin
Article History
Received: 6 January 2019
Accepted: 12 June 2019
First Online: 5 July 2019
Ethics approval and consent to participate
: All the patients in this study signed the informed consent form prior to the study, and all experiments gained the approval of the Ethics Committee for Clinical Experiments at Linyi Central Hospital.
: Not applicable.
: The authors declare that they have no competing interests.