Zheng, Jia-Hua
Liu, Meng-Di
Zhou, Xiao-Jing
Zhang, Ming-le
Ma, Yu-Mei
Wang, Wei http://orcid.org/0000-0001-7842-7301
Huang, Xiang-Hua
Article History
Received: 29 February 2020
Accepted: 10 June 2020
First Online: 18 June 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest/competing interests.
: This respective study was approved by the Research and Ethical Committee of the Second Hospital of Hebei Medical University, China, basing on the 1964 Helsinki declaration and its later amendments.
: The submission of this manuscript has been approved by all authors.
: Not applicable.