Text and Data Mining valid from 2019-08-23
Received: 19 April 2019
Accepted: 18 August 2019
First Online: 23 August 2019
Ethics approval and consent to participate
: This study was approved by the hospital ethics committee and assigned the protocol number IRB2018243. Each author certifies that all the investigations were conducted in conformity with ethical principles.
: We obtained a written informed consent from the patients for publishing the de-identified images.
: The authors declare that they have no competing interests.