Received: 24 June 2019
Accepted: 19 December 2019
First Online: 30 December 2019
Ethics approval and consent to participate
: Reuma.pt was approved by the National Data Protection Board (Comissão Nacional de Proteção de Dados – CNPD, Portugal) and by the Ethics Committee of Centro Hospitalar Lisboa Norte (CHLN) - Hospital de Santa Maria (HSM), Lisbon, Portugal. Patients signed Reuma.pt’s informed and written consent.
: Not applicable.
: SV is member of the Editorial Board of BMC Bioinformatics. KR, HC, and AMC declare that they have no competing interests.