Paudel, Dhirendra
Lin, Qiuyan
Yan, Caiping
Liu, Shuai
Zhang, Bin
Article History
Received: 29 July 2018
Revised: 24 November 2018
Accepted: 29 November 2018
First Online: 6 December 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.
: Additional informed consent was obtained from the patient for any identifying information is included in this article.