Hu, Ningwei
Gao, Ling
Jiang, Yu
Wei, Shan
Shang, Suhang
Chen, Chen
Dang, Liangjun
Wang, Jin
Huo, Kang
Deng, Meiying
Wang, Jingyi
Qu, Qiumin
Article History
Received: 25 July 2019
Accepted: 10 January 2020
First Online: 14 January 2020
Ethics approval and consent to participate
: All individuals received information about the study and were able to cooperate to complete the questionnaire survey. For illiterate participants, their relatives agreed on the informed consent. The privacy rights of the participants had always been observed. The Ethics Committee of The First Affiliated Hospital of Xi’an JiaoTong University gave ethical approval.
: All the participants provided written informed consent for the publication of the results of this study.
: The authors declare that they have no competing interests.