Received: 17 January 2021
Accepted: 17 August 2021
First Online: 30 August 2021
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Chi-Mei Medical Center Institutional Review Board of Human Study Committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Written informed consent for publication of the patients’ clinical details and images were obtained from all of the patients.
: Dr. Weng, Dr. Wu, Dr. Chien and Dr. Lin declare that they have no competing interests.