Gao, Tingting
Qu, Jinfeng
Xiao, Jing
Hu, Jie
Zhao, Mingwei
Funding for this research was provided by:
Beijing Municipal Science and Technology Project (Z171100002217081)
National Natural Science Foundation of China (81470651)
Article History
Received: 18 March 2018
Revised: 16 May 2018
Accepted: 21 May 2018
First Online: 4 June 2018
Compliance with ethical standards
:
: All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest or non-financial interest in the subject matter or materials discussed in this manuscript.
: All procedures performed in 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.
: Informed consent was obtained from all individual participants included in the study. Additional informed consent was obtained from all individual participants for whom identifying information is included in this article.