Funding for this research was provided by:
State Key Laboratory of Low-Dimensional Quantum Physics, Tsinghua University (KF201608)
National Natural Science Foundation of China (81970299)
Received: 15 October 2018
Accepted: 13 November 2019
First Online: 29 November 2019
Ethics approval and consent to participate
: The study was approved by the ethics committee of Beijing Tsinghua Changgung Hospital, the patient gave writen consent to participate in the study.
: Writen informed consent for publication was obtained from the patient.
: The authors declare that they have no competing interests.