Wang, Yuguang
Huang, Ying-Ying
Wang, Yong
Lyu, Peijun
Hamblin, Michael R. http://orcid.org/0000-0001-6431-4605
Article History
Received: 12 January 2017
Accepted: 29 June 2017
First Online: 10 August 2017
Competing Interests
: The authors declare that they have no competing interests.