Wu, Jun
Liu, Chunling
Yu, Haitao
Li, Hui
Jia, Yanlu
Zhang, Defu
Chen, Lili
Li, Xiaonan
Funding for this research was provided by:
Key Scientific and Technological Research Projects in Henan Province (182102310586)
Funding Scheme for Key Scientific Research Projects of Henan Higher Education Institutions (19A320039)
Article History
Received: 9 August 2019
Revised: 4 November 2019
Accepted: 3 December 2019
First Online: 12 December 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The procedures described here have been approved by the Ethics Committee of the Second Affiliated Hospital of Zhengzhou University and have therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: Informed consent was obtained from all individual participants included in the study.