Wu, Sifei
Hou, Mei
Zhang, Yu
Song, Jie
Guo, Ya
Liu, Peipei
Liu, Yedan
Yi, Liping
Pan, Xiaoyu
We, Wei
Chen, Zongbo https://orcid.org/0000-0002-7282-9008
Funding for this research was provided by:
National Natural Science Foundation of China (81871246)
Article History
Received: 31 October 2019
Accepted: 19 June 2020
First Online: 2 July 2020
Compliance with Ethical Standards
: The study protocol was approved by the Ethical Committee of the Affiliated Hospital of Qingdao University (Qingdao, China). Informed consent was obtained from all individual participants included in this study.
: The authors declare that they have no conflict of interest.