Conflict of interest
All authors declare that they have no conflict of interest.
Human and Animals Rights
No animals were used in this study. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Approval to conduct the study was obtained by the ethical committee of the institutional review board.
Informed consent was obtained from all individual participants included in the study. Additional informed consent was obtained from all individual participants for whom identifying information is included in this article. Appropriate permission was also obtained to use clinical photographs for the purpose of further academic research and publication in academic journals.