1. Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, National Key Discipline of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, China
2. Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China
3. Guangdong Medical University, Zhanjiang, 524001, China
4. Department of Stomatology, Affiliated Hospital of Guangdong Medical University, Guangdong medical university, Zhanjiang, 524000, China