1. UCB Pharma, Brussels, Belgium
2. Modus Outcomes, Letchworth Garden City, UK
3. Department of Medicine, McGill University, Montreal, Quebec, Canada
4. Rheumatology Research Group, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
5. UCB Pharma, Monheim am Rhein
6. Poliklinik und Funktionsbereich für Rheumatologie, Heinrich-Heine-Universität, Düsseldorf, Germany