Xu, Yingjie
Wu, Kailun
Ma, Qianli
Zhang, Lei
Zhang, Yong
Xu, Wu
Guo, Jiong Jiong
Article History
Received: 12 May 2019
Accepted: 21 August 2019
First Online: 18 October 2019
Ethics approval and consent to participate
: The regional ethical committee reviewed and delegated the approval of this study to the Data Protection Official at the First Affiliated Hospital of Soochow University and Fuzhou Second Hospital affiliated to Xiamen University who granted the ethics approval.
: Not applicable.
: The authors declare that they have no competing interests.