Funding for this research was provided by:
Shaanxi Province Postdoctoral Science Foundation (2017BSHQYXMZZ20)
Article History
Received: 6 January 2020
Accepted: 10 September 2020
First Online: 18 September 2020
Ethics approval and consent to participate
: Not applicable.
: The written consent to publish images or other personal or clinical details of participants was obtained from the patient.
: The authors declare that they have no competing interests.