Emily Purcell, MD, is a second-year rheumatology fellow in the Division of Rheumatology, University of Pennsylvania, Philadelphia.
Colin Ligon, MD, MHS, is a rheumatologist at Bon Secours Rheumatology Center, Henrico, Va.
Chris T. Derk, MD, MS, is a professor of clinical medicine in the Division of Rheumatology, University of Pennsylvania.
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Read a letter to the editor about this article received in March 2021.