Shang, Yingli
Coppo, Maddalena
He, Teng
Ning, Fei
Yu, Li
Kang, Lan
Zhang, Bin
Ju, Chanyang http://orcid.org/0000-0002-1213-1601
Qiao, Yu
Zhao, Baohong
Gessler, Manfred
Rogatsky, Inez
Hu, Xiaoyu http://orcid.org/0000-0002-4289-6998
Article History
Received: 6 February 2016
Accepted: 5 May 2016
First Online: 20 June 2016
Competing interests
: The authors declare no competing financial interests.