Wang, Jing
Li, Liang https://orcid.org/0000-0002-9207-6488
Yang, Ping
Chen, Ying
Zhu, Yining
Tong, Ming
Hao, Zhongqi
Li, Xiangyou
Article History
Received: 16 October 2017
Accepted: 29 March 2018
First Online: 26 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Not applicable to the present submission.
: Informed consent was obtained from all individual participants included in the study.