He, Haiqing
Wu, Shuiqing
Hao, Jun
Wang, Long
Ai, Kai
Zhu, Xuan
Xu, Ran http://orcid.org/0000-0003-1387-6696
Zhao, Xiaokun
Wang, Yinhuai
Zhong, Zhaohui
Funding for this research was provided by:
National Natural Science Foundation of China Grant (81770758)
China Scholarship Council (201706370229)
Article History
Received: 30 May 2019
Accepted: 29 April 2020
First Online: 6 May 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the Second Xiangya Hospital of Central South University. A total of 70 males seen from January 2017 to January 2018 gave informed consent in written format before participating in this study.
: Not applicable.
: We declare that there is no conflict of interest.