Received: 13 March 2019
Accepted: 20 August 2019
First Online: 27 August 2019
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Affliated Hospital of Guilin Medical University. All patients provided signed consent prior to the intervention. All patients consented to analysis of their medical records in our manuscript and we obtained the permission from the hospital.
: We have obtained consent for the publication of identifying images or other personal or clinical details from 26 patients.
: The authors declare that they have no competing interests.