Ji, Chunlei
Bu, Ye
Tian, Chunyuan
Fan, Lijun
Liu, Shoujun
Liu, Ying
Sun, Dianjun
Funding for this research was provided by:
National Natural Science Foundation of China (81741049)
Article History
Received: 18 September 2018
Accepted: 26 February 2019
First Online: 6 March 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest.
: The research was conducted according to the Declaration of Helsinki. This survey accords with the requirements of medical ethics, and is approved by the Institutional Research Board of Harbin Medical University.
: Informed consent was obtained from all individual participants included in the study.