Improving outcomes of patients living with psoriatic arthritis: The Observational Best Practices Research Initiative (OBRI-PsA) registry: Rationale, Methodology and Preliminary Data of 18 Months Follow-up - Rahaf Zyad Attar; Mohammad Movahedi; Angela Cesta; Xiuying Li; Ricardo Sabido-Sauri; Ozun Bayindir Tsechelidis; Arthur Lau; Andrew Chow; Carter Thorne; Derek Haaland; Elaine Soucy; Claire Bombardier; et al. (PLoS ONE, 2026)