Response to: ‘Correspondence on ‘Which factors are associated with bone marrow oedema suspicious of axial spondyloarthritis as detected by MRI in the sacroiliac joints and the spine in the general population?’ by Su et al - Baraliakos, Xenofon; Richter, Adrian; Schmidt, Carsten O; Braun, Juergen (Annals of the rheumatic diseases, 2023)