Article History
Received: 29 March 2017
Accepted: 18 July 2017
First Online: 2 August 2017
Compliance with ethical standards
:
: The protocol of this study was approved by the Institutional Review Board of Tehran University of Medical Sciences.
: Razie Yaberi, Amin Amali, Hamed Emami, and Babak Saedi declare that they have no conflict of interest.
: Patients provided written consent before their inclusion in this study. Additional consent was obtained for the use of their images.
: The authors received no funding for this study.