Li, Jiaxi
Zhao, Yahui
Zhao, Meng
Cao, Penghui
Liu, Xingju
Ren, Hao
Zhang, Dong
Zhang, Yan
Wang, Rong
Zhao, Jizong http://orcid.org/0000-0001-7304-0255
Funding for this research was provided by:
Beijing Municipal Administration of Hospitals (SML2015050)
National Natural Science Foundation of China (81701137)
Article History
Received: 28 February 2019
Revised: 5 May 2019
Accepted: 17 May 2019
First Online: 15 June 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was performed according to the guidelines of the Helsinki Declaration and was approved by the ethics committee of Beijing Tiantan Hospital.
: Written informed consent was obtained from all patients included.