- Correspondence to João Eurico Fonseca, Rheumatology Department, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte. Av Prof. Egas Moniz, 1649-035 Lisbon, Portugal;
- Received May 8, 2020
- Revision received June 7, 2020
- Accepted June 8, 2020
- First published June 25, 2020.
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