Funding for this research was provided by:
Natural Science Foundation of Hunan Province (2016JJ3160)
Hunan Provincial Science and Technology Department (2017SK2062)
Received: 30 June 2019
Accepted: 10 February 2020
First Online: 13 February 2020
Ethics approval and consent to participate
: The Ethics Committee in Xiangya Hospital of Central South University approved the study. All methods were performed in accordance with the relevant guidelines and regulations.
: Written informed consent was acquired from each of the patients (or their parents and legal guardians) to authorize treatment, imageology findings, and photographic documentation. The patients (or their parents and legal guardians) consented to the publication of their pictures as well as their anonymous and clustered data.
: The authors declare that they have no competing interests.