. 2020 Aug 31;72(9):1189–1195. doi: 10.1002/acr.24347
© 2020, American College of Rheumatology
This article is being made freely available through PubMed Central as part of the COVID-19 public health emergency response. It can be used for unrestricted research re-use and analysis in any form or by any means with acknowledgement of the original source, for the duration of the public health emergency.