Sun, Ying
Zhang, Xuebin
Zwiers, Francis W.
Song, Lianchun
Wan, Hui
Hu, Ting
Yin, Hong
Ren, Guoyu
Article History
Received: 14 July 2014
Accepted: 17 September 2014
First Online: 12 October 2014
Competing interests
: The authors declare no competing financial interests.