Zheng, Pai http://orcid.org/0000-0002-2329-8634
Xu, Xun http://orcid.org/0000-0001-6294-8153
Xie, Sheng Quan http://orcid.org/0000-0002-8082-9112
Funding for this research was provided by:
China Scholarship Council (CN) and University of Auckland Joint Scholarship (201306020055)
Article History
Received: 23 October 2015
Accepted: 17 May 2016
First Online: 28 May 2016
Change Date: 6 December 2018
Change Type: Correction
Change Details: The original version of the article was published with a miscalculated equation.