Funding for this research was provided by:
China Postdoctoral Science Foundation (2018M643678)
National Natural Science Foundation of China (81502700)
Article History
Received: 28 June 2019
Accepted: 16 July 2019
First Online: 24 July 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The trial protocol received ethical approval from the Biomedical Ethics Committee of Xi’an Jiaotong University Health Science Centre and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. All experiments were performed complying with the current laws of the country.
: Written informed consent was obtained from each recruited patient before the intervention and questionnaire survey.