Meng, Yutong
Leng, Kunpeng
Shan, Lei
Guo, Meng
Zhou, Junlin
Tian, Qingxian http://orcid.org/0000-0003-0891-4432
Hai, Yong
Article History
Received: 8 May 2020
Accepted: 18 May 2020
First Online: 28 May 2020
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest.
: This study was approved by the Ethics Committee of Beijing Chaoyang Hospital. This study was performed in accordance with the ethical standards in the 1964 Declaration of Helsinki.
: Not applicable.
: Not applicable.
: Not applicable.