Yu, Qiao
Xu, Liyi
Li, Lili
Zhi, Min
Gu, Yubei
Wang, Xinying
Guo, Hong
Li, Yue
Fan, Yihong
Yang, Bolin
Xue, Meng
Lv, Minfang
Xu, Dingting
Zhang, Hanyun
Li, Yan
Song, Yongmao
Deng, Qun
Huang, Xiaoxu
Zhong, Jing
Hu, Wen
Zhu, Yimiao
Wang, Xiaoying
Cai, Jianting
Chen, Yan
Funding for this research was provided by:
National Natural Science Foundation of China (81700455)
Department of Science and Technology of Zhejiang Province (2014C03041-1)
Article History
Received: 27 February 2019
Accepted: 4 June 2019
First Online: 20 June 2019
Ethics approval and consent to participate
: The electronic version of the written informed consent was attached to the online questionnaire. Participants needed to read and agree to the informed consent before completing the questionnaire. And the research was approved by the ethics committee of the second affiliated hospital of Zhejiang University (No. IR2018001156) and achieved an agreement by each hospital.
: Not Applicable.
: The authors declare that they have no competing interests.