- Correspondence to Dr Ricardo Grieshaber-Bouyer, Division of Rheumatology, Department of Medicine V (Hematology, Oncology and Rheumatology), Heidelberg University Hospital, Heidelberg, Germany; ; Dr Peter A Nigrovic, Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA;
- Received November 16, 2021
- Accepted February 2, 2022
- First published February 15, 2022.
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