Ji, Yingfeng http://orcid.org/0000-0003-4506-8183
Yoshioka, Shoichi http://orcid.org/0000-0002-0238-1033
Manea, Vlad C. http://orcid.org/0000-0002-0382-721X
Manea, Marina http://orcid.org/0000-0002-2824-5371
Article History
Received: 28 June 2017
Accepted: 16 November 2017
First Online: 4 December 2017
Competing Interests
: The authors declare that they have no competing interests.