Article History
Received: 20 November 2019
Accepted: 10 May 2020
First Online: 6 July 2020
Ethics approval and consent to participate
: The study protocol was approved by the Institutional Review Board of the American University of Beirut (ID#: BIO-2017-0447).
: Written consent was obtained from the two patients whose facial photographs were displayed in the paper.
: Not applicable