Fu, Qian
Chen, Zhi
Fan, Jianfeng
Ling, Chen
Wang, Xiaoman
Liu, Xiaorong
Shen, Ying
Article History
Received: 6 May 2020
Revised: 17 July 2020
Accepted: 29 July 2020
First Online: 16 October 2020
Compliance with ethical standards
:
: The study protocol was approved by the Ethics Committee of Beijing Children’s Hospital Affiliated to Capital Medical University (IEC No. 2019-k-336).