Introduction.
Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds, UK; p.conaghan@leeds.ac.uk.
Philip G
PG
Conaghan
Sorbonne Universités, UPMC Univ Paris 06, GRC-08, Institut Pierre Louis d'Epidémiologie et de Santé Publique; Rheumatology Department, Pitie-Salpétrière Hospital, AP-HP, Paris, France.
Laure
L
Gossec
APHP, Rheumatology Department, Hôpital Ambroise Paré, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines; France.
Maria Antonietta
MA
D'Agostino