Qian, Subo
Huang, Yunteng
Wang, Ning
Ding, Yu
Qi, Jun
Yu, Yongjiang http://orcid.org/0000-0002-4491-0079
Article History
Received: 21 August 2018
Accepted: 10 September 2018
First Online: 24 September 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 Ethics Committee of Xinhua Hospital 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 the study.