Yuan, Ye http://orcid.org/0000-0003-3020-0700
Martinez, Angel
Senyuk, Bohdan
Tasinkevych, Mykola
Smalyukh, Ivan I. http://orcid.org/0000-0003-3444-1966
Article History
Received: 6 May 2017
Accepted: 13 October 2017
First Online: 27 November 2017
Competing interests
: The authors declare no competing financial interests.