Tang, Jia-Min
Li, Fen
Cheng, Tian-Yin
Duan, De-Yong
Liu, Guo-Hua https://orcid.org/0000-0002-8434-899X
Funding for this research was provided by:
Project support was provided in part by the Scientific Research Fund of Hunan Provincial Education Department (16A102)
Article History
Received: 9 March 2018
Accepted: 11 May 2018
First Online: 22 May 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.