1. School of Physical Education, Sport Science and Dietetics, Department of Nutrition and Dietetics, University of Thessaly, Greece
2. Department of Rheumatology, Russells Hall Hospital, Dudley Group NHS Foundation Trust, Dudley, United Kingdom
3. Faculty of Education, Health and Wellbeing, University of Wolverhampton, United Kingdom
4. Department of Neurobiology, Care Sciences and Society, Division of Physiotherapy, Karolinska Institutet, Huddinge, Sweden
5. Department of Orthopaedics, Rehabilitation and Physical Therapy, Leiden University Medical Center, Leiden, the Netherlands
6. Department of Rheumatology, Sint Maartenskliniek, Nijmegen, the Netherlands
7. Centre for Active Lifestyles, Carnegie School of Sport, Leeds Beckett University, Leeds, United Kingdom
8. Department of Physical Education and Sport Science, University of Thessaly, Karies, Trikala, Greece
9. ACHIEVE - Center of Applied Research, Faculty of Health, Amsterdam University of Applied Sciences. Reade, Center for Rehabilitation and Rheumatology/Amsterdam Rehabilitation Research Center, Amsterdam, The Netherlands
10. School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom
11. National Resource Centre for Rehabilitation in Rheumatology, Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway
12. Division of Rheumatology, University Hospitals Leuven, Leuven, Belgium
13. School of Allied Health, Faculty of Education and Health Sciences and Health Research Institute, University of Limerick, Limerick, Ireland
14. Rheumatology Department, King’s College Hospital, London, United Kingdom
15. Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom
16. School of Health Professions, Institute of Physiotherapy, Zurich University of Applied Sciences, Winterthur, Switzerland
GS Metsios, TPM Vliet Vlieland, CHM Van den Ende, A Stavropoulos-Kalinoglou, I Fatouros, M van der Esch, SAM Fenton, RH Moe, JJCS Veldhuijzen van Zanten, Y Koutedakis, AS Veskoukis, C Boström, N Kennedy, GE Fragoulis, GD Kitas