Received: 22 March 2021
Accepted: 5 October 2021
First Online: 28 October 2021
: This study has been granted an exemption from requiring ethics approval by the ethics committee of the University of Bologna.An informed consent to participate in the study was obtained from participants.
: Written informed consent for publication of their clinical details and clinical images was obtained from the patients.
: The authors declare that they have no competing interests.The authors certify that there is no conflict of interest with any financial organization regarding the material discussed in the manuscript.