The comparative responsiveness of Hospital Universitario Princesa Index and other composite indices for assessing rheumatoid arthritis activity

• Isidoro González-Álvaro ,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Writing – original draft, Writing – review & editing

  * E-mail: isidoro.ga@ser.es

  Affiliation Rheumatology Service, Hospital Universitario La Princesa, IIS-IP, Madrid, Spain

  http://orcid.org/0000-0001-9614-5199

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• Isabel Castrejón,

  Roles Conceptualization, Methodology, Writing – review & editing

  Affiliation Division of Rheumatology, Rush University Medical Center, Chicago, Illinois, United States of America

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• Loreto Carmona,

  Roles Conceptualization, Methodology, Supervision, Writing – review & editing

  Affiliation Instituto de Salud Musculoesquelética (InMusc), Madrid, Spain

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• on behalf of ACT-RAY, PROAR and EMECAR study groups

  ¶See Acknowledgments section for information about members, departments, institutions and countries

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