Niste, Vlad Bogdan http://orcid.org/0000-0001-8618-8304
Ratoi, Monica
Tanaka, Hiroyoshi
Xu, Fang http://orcid.org/0000-0002-7357-5177
Zhu, Yanqiu http://orcid.org/0000-0003-3659-5643
Sugimura, Joichi
Article History
Received: 3 April 2017
Accepted: 19 October 2017
First Online: 7 November 2017
Competing Interests
: The authors declare that they have no competing interests.