Xiong, Yuli http://orcid.org/0000-0003-1762-2319
Yang, Lin http://orcid.org/0000-0003-3262-5323
Xiao, Peng http://orcid.org/0000-0002-8994-8433
Yang, Yannan http://orcid.org/0000-0001-5775-9737
Funding for this research was provided by:
the fundamental research funds for the Central Universities (106112015CDJZR305501)
Article History
Received: 25 November 2017
Accepted: 25 January 2018
First Online: 20 February 2018
Compliance with ethical standards
:
: The authors declare no competing financial interest.