Shen, Lei
Liu, Jian
Li, Jin-kang
Xu, Meng
Yuan, Lang
Zhang, Guo-qin
Wang, Jian-yi
Huang, Yu-juan
Article History
Received: 15 August 2017
Accepted: 3 March 2018
First Online: 22 March 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: 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.