Article History
Received: 10 February 2021
Accepted: 24 May 2021
First Online: 12 June 2021
Declarations
:
: All procedures performed in the study were in accordance with the ethical standards of the Faculty of Medicine, Ain Shams University Research and Ethical Committee, and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. We obtained approval from the research ethics committee on October 2018.
: Written informed consent was obtained from participants or next of kin for publication of this case series and accompanying images. We obtained approval from the research ethics committee on October 2018.
: The authors declare that they have no competing interests.