Yu, Gan
Yao, Weimin
Xiao, Wei
Li, Heng
Xu, Hua
Lang, Bin
Article History
Received: 14 September 2014
Accepted: 19 December 2014
First Online: 31 December 2014
Change Date: 23 October 2023
Change Type: Clarification
Change Details: Editor's note: Readers are alerted that the reliability of data presented in this manuscript is currently in question. Further editorial action will be taken if appropriate once the investigation into the concerns is complete and all parties have been given an opportunity to respond in full.