Wu, Junliang
Qing, Yong
Cen, Ying
Chen, Junjie
Article History
Received: 16 April 2018
Accepted: 22 June 2018
First Online: 29 June 2018
Ethics approval and consent to participate
: Written consent was obtained from each patient preoperatively, and the procedures and possible risks were elaborated and explained. The study was approved by the Ethics Committee of West China Hospital of Sichuan University (protocol number: 2018-172).
: We received written consent from all participants for the publication of their data and identifying photographs.
: The authors declare that they have no competing interests.