Zhang, Huang http://orcid.org/0000-0002-7695-261X
Hasa, Ivana
Buchholz, Daniel
Qin, Bingsheng
Geiger, Dorin
Jeong, Sangsik
Kaiser, Ute
Passerini, Stefano http://orcid.org/0000-0002-6606-5304
Article History
Received: 23 October 2016
Revised: 20 January 2017
Accepted: 25 January 2017
First Online: 31 March 2017
Competing interests
: The authors declare no conflict of interest.