Received: 9 July 2019
Accepted: 30 January 2020
First Online: 29 February 2020
Ethics approval and consent to participate
: Ethics approval was obtained from the Hospital for Special Surgery (IRB#: 2014–233). Written informed consent for participation in the study was obtained from all participants.
: Not applicable.
: J.H., B.M., J.F., I.N.-M., C. B, S.M., M.F., M.P., L.R., and D.O. declare that they have no competing interests in relation to the work. S.G. reports personal fees from Current Rheumatology reports as section editor and non-financial support from BMC Rheumatology as section editor.