Hu, Minggen
Chen, Kuang
Zhang, Xuan
Li, Chenggang
Song, Dongda
Liu, Rong
Article History
Received: 5 August 2019
Accepted: 28 April 2020
First Online: 6 May 2020
Ethics approval and consent to participate
: This study was approved in writing by the Beijing Special Clinical Application Program (Grant No. Z171100001017239 and Grant No. Z151100004015004). All patients and their families signed informed consent and surgical consent before surgery. Patient signed publicly issued consent form (name, ID number and address cannot be provided; gender, age and clinical data are available).
: The manuscript is approved for publication by all the authors. Written informed consent was obtained from the patients and/or their legal guardians for publication, and any accompanying images, sex, age of these patients.
: The authors declare that they have no competing interests.