Wang, Shan
Fan, Haixia
Xu, Jiankai
Zhao, Eryang
Funding for this research was provided by:
Doctoral Program Foundation of First Affiliated Hospital of Harbin Medical University in china (2016B015)
Article History
Received: 16 February 2017
Accepted: 24 August 2017
First Online: 2 September 2017
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the First Affiliated Hospitals of Harbin Medical University Institutional Research Board 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.