Second Department of Plastic Surgery, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Chinese Peking Union Medical College, Beijing, People’s Republic of China

Address correspondence and reprint requests to Yangqun Li, MD, the Second Department of Plastic Surgery, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Chinese Peking Union Medical College, No 33, Badachu Road, Beijing 100144, People’s Republic of China; E-mail addresses: [email protected]; [email protected]

The authors report no conflicts of interest.

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