Nie, Wei
Ding, Aijun
Wang, Tao
Kerminen, Veli-Matti
George, Christian
Xue, Likun
Wang, Wenxing
Zhang, Qingzhu
Petäjä, Tuukka
Qi, Ximeng
Gao, Xiaomei
Wang, Xinfeng
Yang, Xiuqun
Fu, Congbin
Kulmala, Markku
Article History
Received: 22 April 2014
Accepted: 22 August 2014
First Online: 16 October 2014
Change Date: 4 March 2015
Change Type: Update
Change Details: A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has not been fixed in the paper.
Competing interests
: The authors declare no competing financial interests.