Further Optimization of the Reliability of the 28-Joint Disease Activity Score in Patients with Early Rheumatoid Arthritis

• Liseth Siemons ,

  * E-mail: L.siemons@utwente.nl

  Affiliation Arthritis Center Twente, Department of Psychology, Health & Technology, University of Twente, Enschede, the Netherlands

  ⨯
• Peter M. ten Klooster,

  Affiliation Arthritis Center Twente, Department of Psychology, Health & Technology, University of Twente, Enschede, the Netherlands

  ⨯
• Harald E. Vonkeman,

  Affiliations Arthritis Center Twente, Department of Psychology, Health & Technology, University of Twente, Enschede, the Netherlands, Arthritis Center Twente, Department of Rheumatology, Medisch Spectrum Twente, Enschede, the Netherlands

  ⨯
• Mart A. F. J. van de Laar,

  Affiliations Arthritis Center Twente, Department of Psychology, Health & Technology, University of Twente, Enschede, the Netherlands, Arthritis Center Twente, Department of Rheumatology, Medisch Spectrum Twente, Enschede, the Netherlands

  ⨯
• Cees A. W. Glas

  Affiliation Department of Research Methodology, Measurement and Data Analysis, University of Twente, Enschede, the Netherlands

  ⨯