Received: 10 April 2020
Accepted: 26 August 2020
First Online: 2 September 2020
Ethics approval and consent to participate
: All participants and their next of kin agreed to join this study and signed the informed consent. This study was approved by the ethical committee of Xiyuan Hospital, Chinese Academy of Traditional Chinese Medicine.
: All the subject investigated agree with the publication of this article, and informed consent obtained was written. All the participants gave consent for the publication of identifying images or other personal or clinical details of participants that compromise anonymity. Participants and their next of kin have signed the consent of publication.
: The authors declare that they have no competing interests.