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Article History

Received: 2 March 2021

Accepted: 28 April 2021

First Online: 8 May 2021

Declarations

:

: The study was conducted with approval from the institutional review board at Women’s Hospital, School of Medicine, Zhejiang University, China.

: The patient provided written informed consent for publication of potentially identifying images and clinical details.

: The authors declare that they have no competing interests.