Sun, Qin Hui
Yin, Zong Xiu
Li, Zhi
Tian, Shu Bo
Wang, Hong Chang
Zhang, Fang Xu
Li, Le Ping
Zheng, Chun Ning http://orcid.org/0000-0002-8884-830X
Kong, Shuai
Article History
Received: 13 February 2020
Accepted: 22 May 2020
First Online: 5 June 2020
Ethics approval and consent to participate
: The present study was approved by the Ethics Committee of Shandong Provincial Hospital Affiliated to Shandong First Medical University. Written informed consent was obtained from all enrolled subjects.
: Not applicable.
: There are no conflicts of interest to declare.