Shi, T.-T.
Xin, Z. http://orcid.org/0000-0002-6840-1922
Hua, L.
Zhao, R.-X.
Yang, Y.-L.
Wang, H.
Zhang, S.
Liu, W.
Xie, R.-R.
Funding for this research was provided by:
The Beijing Municipal Hospital Research and Development Program (PX2016063)
The Expert Promotion Program of Beijing Health Systems (2015-3-017)
The Foundation of Beijing Tongren Hospital (2015-YJJ-ZZL-006)
Article History
Received: 11 August 2018
Accepted: 14 January 2019
First Online: 23 January 2019
Compliance with ethical standards
:
: The authors declare no conflict of interests.
: The study was approved by the Ethics Committee of Beijing Tongren Hospital, Capital Medical University. All procedures were performed in the study in accordance with the 1964 Helsinki declaration and its later amendments.
: Informed written consents were obtained from all participants included in this study.