Liu, Jing-jing
Liu, Qun-hui
He, Hong-ye
Zhang, Tian
Song, Yong-xia
Wang, Wenru
Hong, Jing-fang
Funding for this research was provided by:
National Natural Science Foundation of China (81573017, 81101750)
Anhui Provincial Key Natural Science Project funding (KJ2015A083)
Article History
First Online: 17 November 2018
Compliance with Ethical Standards
: Ethics approval was granted from the hospital Ethics Committee of the Anhui Medical University (approval no. 20150328) and permission to conduct the study was also obtained from the directors of each study site. All participants were informed the aim and procedure of the study, and they were assured that they have the right to choose participating or withdrawing from the study at any time without being penalized. The confidentiality of their data was also assured
: The authors declare that they have no conflict of interest.