Older age, comorbidity, glucocorticoid use and disease activity are risk factors for COVID-19 hospitalisation in patients with inflammatory rheumatic and musculoskeletal diseases - Hasseli, R.; Mueller-Ladner, U.; Hoyer, B. F.; Krause, A.; Lorenz, H. M.; Pfeil, A.; Richter, J.; Schafer, M.; Schmeiser, T.; Strangfeld, A.; Schulze-Koops, H.; Voll, R. E.; et al. (RMD Open, 2021)