Zhu, Xiao-Ling
Chen, Zhi-Heng
Li, Ying
Yang, Ping-Ting
Liu, Lei
Wu, Liu-Xin
Wang, Ya-Qin http://orcid.org/0000-0002-9296-7950
Funding for this research was provided by:
the New Xiangya Talent Project of the Third Xiangya Hospital of Central South University (JY201515)
the Research on Educational and Teaching Reform of Central South University (2019jy185)
Article History
Received: 31 July 2019
Accepted: 17 October 2019
First Online: 14 November 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: All procedures performed in this study were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all subjects included in the study.