Hou, Ping-Fu
Jiang, Tao
Chen, Fang
Shi, Pei-Cong
Li, Hai-Qing
Bai, Jin
Song, Jun
Article History
Received: 7 January 2018
Revised: 22 March 2018
Accepted: 28 March 2018
First Online: 30 April 2018
Change Date: 19 January 2022
Change Type: Clarification
Change Details: Editor's Note: Concerns have been raised about the integrity of the data reported in this article. This is currently being investigated. Further editorial action may be taken as appropriate once the investigation into the concerns is complete and all parties have been given an opportunity to respond in full.
Conflict of interest
: The authors declare that they have no conflict of interest.