1 Department of Plastic Surgery, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College. 33rd Badachu Road, Shijingshan District, Beijing, China.
2 Department of Plastic Surgery, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College. 33rd Badachu Road, Shijingshan District, Beijing, China. Electronic address: youjianjun@psh.pumc.edu.cn.