Received: 13 April 2021
Accepted: 11 June 2021
First Online: 23 June 2021
: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee 2012/4815/I.
: Written informed consent for publication of their clinical details and/or clinical images was obtained from the patients. A copy of the consent form is available for review by the Editor of this journal.
: The authors declare that they have no competing interests.