Song, Kangping
Guan, Min
Li, Wenxian
Jing, Zhen
Xie, Xiaomei
Shi, Changzheng
Liang, Jianye
Qiao, Hongyu
Huang, Li’an
Funding for this research was provided by:
Science and Technology Planning Project of Guangdong Province of China (NO. 2017A020215200)
the Fundamental Research Funds for the Central Universities (NO. 21617489)
Article History
Received: 31 July 2018
Accepted: 22 January 2019
First Online: 6 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. For this type of study formal consent is not required.
: Informed consent was obtained from all individual participants included in this study.