Zeng, Zhijun
Huo, Xia
Zhang, Yu
Xiao, Zhehong
Zhang, Yuling
Xu, Xijin https://orcid.org/0000-0003-2094-3164
Funding for this research was provided by:
National Natural Science Foundation of China (21577084)
Natural Science Foundation of Guangdong Province of China (2015A030313435)
Article History
Received: 18 August 2017
Accepted: 1 May 2018
First Online: 12 May 2018
Compliance with ethical standards
: The research protocol was approved by the Human Ethics Committee of Shantou University Medical College (NSFC (21577084): SUMC-2015-19; Guangdong Province of China (2015A030313435): SUMC-26-2014). Informed consent forms had been obtained from all subjects, and the methods were carried out in accordance with the approved guidelines.
: The authors declare that they have no conflict of interest.