Wang, Ningning
Tesfaluul, Nahom
Li, Jia
Gao, Xiaojuan
Liu, Shuai
Yue, Baohong http://orcid.org/0000-0001-6911-0177
Article History
Received: 16 September 2018
Accepted: 28 October 2019
First Online: 20 November 2019
Compliance with ethical standards
: All study subjects submitted informed consent, and the study was approved by the Medical Research and Research Ethics Committee of the First Affiliated Hospital of Zhengzhou University.
: The authors declare that they have no conflict of interest.