Fu, Liyuan
Zhang, Yuanyuan
Shao, Bohan
Liu, Xiangjing
Yuan, Bo
Wang, Zhengqing
Chen, Tienan
Liu, Zhigang
Liu, Xiaocheng
Funding for this research was provided by:
National Natural Science Foundation of China (81601952)
Tianjin Municipal Science and Technology Commission (16ZXMJSY00070)
Article History
Received: 11 July 2019
Accepted: 28 October 2019
First Online: 27 November 2019
Ethics approval and consent to participate
: This study was approved by the Tianjin Medical University ethics committee (TJMU18052401). Every participant was fully informed of research nature. All participants signed an informed consent form to participate before data collection.
: Not applicable
: The authors declare that they have no competing interests.