Received: 25 October 2019
Accepted: 24 February 2020
First Online: 4 March 2020
Ethics approval and consent to participate
: All research was approved by the ethics committee of biomedical research of Medical School and Pharmacy of Rabat (CERB). Written informed consent was obtained from all of the participants in the study.
: Written informed consent for publication of clinical details and clinical images was obtained from all of the participants.
: The authors declare that they have no competing interests.