Received: 27 September 2019
Accepted: 17 February 2020
First Online: 24 February 2020
Ethics approval and consent to participate
: The medical ethics committee of Chinese PLA General Hospital approved the study. All procedures were conducted in compliance with the guidelines of the Declaration of Helsinki. The patients were informed consent that their clinical images and medical records for scientific report.
: We have obtained the written consent for publication.
: The authors declare that they have no competing interests.