This is a cross-sectional, quantitative online survey of patients with psoriasis with or without concomitant psoriatic arthritis. Following assessment of participant eligibility via a 5-minute online screener, the 25-minute internet-based survey will be conducted without any follow-up.
The study is a Worldwide Survey on the Understanding of Psoriatic Disease among Patients with Psoriasis and Psoriatic Arthritis.