Received: 9 May 2022
Accepted: 21 December 2022
First Online: 23 January 2023
: The EpiReumaPt study was approved by the Ethics Committee of NOVA Medical School and the Portuguese Data Protection Authority (<i>Comissão Nacional de Proteção de Dados</i>). This secondary analysis of EpiReumaPt database presented in this study was additionally approved by the Ethics Committee of NOVA Medical School. This study was performed in accordance with the Declaration of Helsinki and revised in 2013 in Fortaleza. Written informed consent was obtained from all participants before entering in EpiReumaPt study, as described elsewhere [CitationRef removed].
: Not Applicable.
: All authors declare no competing interests.