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Article History

Received: 23 March 2020

Accepted: 18 May 2020

First Online: 16 June 2020

Compliance with Ethical Standards

:

: The authors declare that they have no conflict of interest.

: The study was approved by the Ethics Committee of the First Affiliated Hospital of Sun Yat-Sen University.

: All the participants provided written informed consent before recruitment.

: Patients signed informed consent regarding publishing their data and photographs.