Han, Liangliang
Yan, Peijing
Yao, Liang
Liu, Rong
Shao, Ruixue
Liu, Jian
Chen, Xiaohong
Wang, Liuli
Yang, Kehu
Guo, Tiankang
Wang, Hailin http://orcid.org/0000-0001-9849-0252
Article History
Received: 7 March 2018
Accepted: 1 April 2019
First Online: 21 April 2019
Compliance with ethical standards
:
: We declare that we have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of Gansu Provincial Hospital, China (Reference number: 2017-067).
: Informed consent was obtained from all individual participants.