1 Department of Auricular Reconstruction, Plastic Surgery Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, No. 33 Bada Road, Shijingshan District, Beijing, 100144, People's Republic of China.
2 Department of Plastic Surgery, Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, Shandong Province, People's Republic of China.
3 Department of Plastic Surgery, Zibo Central Hospital, No. 54 The Communist Youth League Road, Zibo, Shandong Province, People's Republic of China.
4 Department of Plastic Surgery, Zibo Central Hospital, No. 54 The Communist Youth League Road, Zibo, Shandong Province, People's Republic of China. zbzblff@163.com.