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Article History

Received: 21 March 2018

Accepted: 1 August 2018

First Online: 5 September 2018

Ethics approval and consent to participate

: This study was reviewed and approved by the Institutional Review Board of Shanghai Pudong Hospital (Approval No.2016005). The study was conducted in compliance with the ethical principles originating in or derived from the Declaration of Helsinki and in compliance with Good Clinical Practice Guidelines. All patients provided signed informed consent.

: Written consent to publish the content of this report along with the accompanying images was obtained from all patients.

: The authors declare that they have no competing interests.

: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.