Liu, Huan
Fu, Mingliang
Jin, Xinxin
Shang, Yi
Shindell, Drew
Faluvegi, Greg
Shindell, Cary
He, Kebin
Article History
Received: 24 December 2015
Accepted: 14 June 2016
First Online: 18 July 2016
Competing interests
: The authors declare no competing financial interests.