1. Department of Plastic and Aesthetic Surgery, Xiangya Hospital of Central South University, Changsha City, Hunan Province 410008, China
2. Department of Plastic and Cosmetic Surgery, The first people's hospital of Chenzhou, Chenzhou City, Hunan Province 423000, China
3. Department of Pathology, The Affiliated Cancer Hospital of Xiangya Medical School, Changsha City, Hunan Province 410013, China
4. Department of Plastic and Cosmetic Surgery, The people's hospital of Hunan province, Changsha City, Hunan Province 410000, China