Ma, Le
Liu, Haimei
Tang, Hanyun
Zhang, Zhiyong
Zou, Lixia
Yu, Haiguo
Sun, Li
Li, Xiaozhong
Tang, Xuemei
Lu, Meiping
Article History
Received: 4 June 2021
Accepted: 29 November 2021
First Online: 3 January 2022
Declarations
:
: This is a retrospective study, first approved by the Ethics Review Board of Children’s Hospital of Nanjing medical university, the main study center, and then approval was obtained from additional medical centers.
: The authors assign all rights and privileges and give consent for publication of this work to Pediatric Rheumatology.
: The authors declare that they have no competing interests.