Affiliations

• ¹ Division of Rheumatology, Tufts Medical Center, Boston, MA, USA. Electronic address: tmcalindon@tuftsmedicalcenter.org.
• ² Division of Rheumatology, Tufts Medical Center, Boston, MA, USA.
• ³ NIHR Musculoskeletal Biomedical Research Unit, University of Oxford, UK. Electronic address: nigel.arden@ndorms.ox.ac.uk.
• ⁴ Pierre and Marie Curie University Paris 06, and AP-HP, Saint-Antoine Hospital, Paris, France. Electronic address: francis.berenbaum@sat.aphp.fr.
• ⁵ Department of General Practice, Erasmus Medical Center Rotterdam, Rotterdam, The Netherlands. Electronic address: s.bierma-zeinstra@erasmusmc.nl.
• ⁶ Department of Medicine, Women's College Hospital, Institute for Clinical Evaluative Sciences, Ontario, Canada. Electronic address: gillian.hawker@wchospital.ca.
• ⁷ Bone and Cartilage Research Unit, University of Liège, Liège, Belgium; Dept of Physical Therapy and Rehabilitation, Princess Paola Hospital, Marche-en-Famenne, Belgium. Electronic address: yhenrotin@ulg.ac.be.
• ⁸ Rheumatology Department, Royal North Shore Hospital and Northern Clinical School, University of Sydney, NSW, Australia. Electronic address: david.hunter@sydney.edu.au.
• ⁹ Sensory & Motor System Medicine, Faculty of Medicine, University of Tokyo, Bunkyo-ku, Tokyo, Japan. Electronic address: kawaguchi-ort@h.u-tokyo.ac.jp.
• ¹⁰ Division of Rheumatology and Clinical Immunology, University of Arizona Arthritis Center of Excellence, USA. Electronic address: kwoh@arthritis.arizona.edu.
• ¹¹ Department of Orthopaedics, Clinical Sciences Lund, Lund University, Lund, Sweden. Electronic address: stefan.lohmander@med.lu.se.
• ¹² Université Paris Descartes, Sorbonne Paris Cité, Paris, France. Electronic address: francois.rannou@cch.aphp.fr.
• ¹³ Institute of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark. Electronic address: eroos@health.sdu.dk.
• ¹⁴ Warwick Clinical Trials Unit, Coventry, UK. Electronic address: m.underwood@warwick.ac.uk.