Liu, Yi-Ou
Zhou, Wen-Jing
Hong, Bo
Zhao, Tong
Wang, Yue-feng
Funding for this research was provided by:
Tsinghua Uniersity Initiative Scientific Research Program
Article History
Received: 6 July 2018
Accepted: 8 July 2019
First Online: 17 July 2019
Ethics approval and consent to participate
: The study was approved by the ethics committee of Yuquan Hospital affiliated to Tsinghua university. Written informed consent was obtained by all study participants.written informed consent was also obtained from the parents/guardians of the minors included in this study (minors are considered anyone under the age of 16).
: Not Applicable.
: The authors declare that they have no competing interests.