Ding, Yunhong http://orcid.org/0000-0002-6823-4722
Bacco, Davide
Dalgaard, Kjeld
Cai, Xinlun
Zhou, Xiaoqi
Rottwitt, Karsten
Oxenløwe, Leif Katsuo
Article History
Received: 20 March 2017
Revised: 19 May 2017
Accepted: 24 May 2017
First Online: 23 June 2017
Competing interests
: The authors declare that they have no competing financial interests.