Yin, Geping
Yuan, Zheng
Li, Juan
Liang, Jing
Wu, Aifang
Liu, Na
Article History
Received: 26 November 2017
Accepted: 12 February 2018
First Online: 24 February 2018
Compliance with ethical standards
:
: None of the authors has a financial interest in any of the products, devices, or drugs mentioned 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.