Funding for this research was provided by:
Beijing municipal hospital scientific research training program (PX2017011)
Received: 28 October 2019
Accepted: 16 June 2020
First Online: 26 June 2020
Ethics approval and consent to participate
: This study has been approved by the institutional review board (IRB) of Beijing Tiantan Hospital, Capital Medical University (August 23, 2018, approval No. KY 2018-078-02). Before the surgery, when patients meet the eligibility criteria, an investigator will explain the study protocol and relevant information to participants and their authorized surrogates. Informed written consent will be obtained from participants (over 7 years) and their authorized surrogates. Participants will be allowed to withdraw their consent or discontinue participation without any restriction at any time throughout the study. Participants and authorized surrogates will be asked whether they permit the use of the data in a specific research program when they sign the informed consent form. This trial does not involve collecting biological specimens for storage.
: These are available from the corresponding author on reasonable request.
: The authors declare that they have no competing interests.