Funding for this research was provided by:
Childhood Arthritis and Rheumatology Research Alliance (Small grant)
Article History
Received: 6 September 2019
Accepted: 6 January 2020
First Online: 15 January 2020
Ethics approval and consent to participate
: The Boston Children’s Hospital IRB approved the work carried out in this study.
: Not applicable.
: The authors declare that they have no competing interests.