Li, Lin
Zhu, Jun-Xia
Hou, Xiao-He
Ma, Ya-Hui
Xu, Wei
Tan, Chen-Chen
Sun, Fu-Rong
Li, Hong-Qi
Dong, Qiang
Tan, Lan
Yu, Jin-Tai
Funding for this research was provided by:
Taishan Scholars Program of Shandong Province (ts201511109, tsqn20161079)
Qingdao Key Health Discipline Development Fund
Shanghai Municipal Science and Technology Major Project (No.2018SHZDZX01)
Article History
Received: 25 November 2019
Revised: 20 January 2020
Accepted: 22 January 2020
First Online: 8 February 2020
Compliance with Ethical Standards
: Written informed consent form was obtained from all participants or their guardians. This study was approved by the Institutional Ethics Committees of Qingdao Municipal Hospital.
: The authors declare that they have no conflict of interest.