From the *Rheumatology Department and
†Neurology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal.
Support: No support.
Disclosures: Nothing to disclose.
Conflicts of Interest: All authors guarantee that there is no conflicts of interest in this manuscript, including financial, consultant, institutional and other relationships that might lead to bias or a conflict of interest.
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Correspondence: Luisa Brites, MD, Rheumatology Department, Centro Hospitalar e Universitário de Coimbra—Hospitais da Universidade de Coimbra Praceta Professor Mota Pinto 3000-075 Coimbra—Portugal. E-mail: firstname.lastname@example.org.