Wang, Xue-Lin
Ma, Li-Jun
Hu, Xin-Gang
Wang, Kai
Cheng, Jian-Jian
Funding for this research was provided by:
Henan Medical Science and Technology Research Project, 2016 (No. 201602205)
Article History
Received: 16 August 2019
Accepted: 24 February 2020
First Online: 5 March 2020
Ethics approval and consent to participate
: This study was conducted in accordance with the declaration of Helsinki and approved by the Ethics Committee of Henan Provincial People’s Hospital. Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.