Liu, Hong http://orcid.org/0000-0002-8143-0912
Wu, Dong-dong
Zheng, Si-qiang
Zeng, Zhi-hua
Ding, Tong
Liu, Zhi-gang
Liu, Xiao-cheng http://orcid.org/0000-0003-2931-1331
Funding for this research was provided by:
Fundamental Research Funds for the Central Universities (No.3332018189)
National Key Clinical Specialty Discipline Construction Program of China (no)
Article History
Received: 15 June 2019
Revised: 15 June 2019
Accepted: 20 July 2019
First Online: 13 August 2019
Compliance with ethical guidelines
:
: H. Liu, D.-d. Wu, S.-q. Zheng, Z.-h. Zeng, T. Ding, Z.-g. Liu and X.-c. Liu declare that they have no competing interests.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1975 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.