Received: 14 September 2020
Accepted: 19 January 2021
First Online: 28 January 2021
Ethics approval and consent to participate
: This study was approved by the institutional review board of Haeundae Paik hospital (IRB file number: HPIRB 2019-08-016-001).
: Written informed consent was obtained from the patient, including the use of photographs of the face.
: The authors declare that they have no competing interests.