1. Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital Shanghai Jiao Tong University School of Medicine No. 639 Zhizaoju Road Shanghai Shanghai 200011 PR China
2. Department of Laser and Aesthetic Medicine, Shanghai Ninth People's Hospital Shanghai Jiao Tong University School of Medicine No. 639 Zhizaoju Road Shanghai Shanghai 200011 PR China
3. Department of Pathology, Shanghai Ninth People's Hospital Shanghai Jiao Tong University School of Medicine No. 639 Zhizaoju Road Shanghai Shanghai 200011 PR China