Text and Data Mining valid from 2019-07-26
Received: 23 May 2019
Accepted: 18 July 2019
First Online: 26 July 2019
Ethics approval and consent to participate
: The current study was approved as exempt research by the Institutional Review Board at Hackensack University Medical Center. Original data collection and consenting procedures were approved by the IRB at each site that contributed data to the Childhood Arthritis and Rheumatology Research Alliance Legacy Registry.
: Not applicable.
: The authors declare that they have no competing interests.