The Use and Availability of Musculoskeletal Ultrasonography for Psoriatic Disease Among Group for Research and Assessment of Psoriasis and Psoriatic Arthritis Members and the Unmet Needs.

Competing Interests: Declaration of Competing Interest Lihi Eder reported receiving grants from Abbvie, Novartis, UCB, Janssen, Fresenius Kabi, Pfizer, Eli Lilly; Consulting fees: Abbvie, Novartis, UCB, Janssen, Fresenius Kabi, Pfizer, Eli and Lilly. Gurjit Kaeley reported receiving grants from Abbvie, Gilead, Janssen, and GRAPPA, consulting fees from Novartis, and serving on the board for the PCORI RA PROPR study. Sibel Zehra Aydin reported receiving grants from Abbvie, Celgene, Eli Lilly, Jannsen, Novartis, Pfizer, Sanofi, and UCB; consulting fees from Abbvie, Celgene, Eli Lilly, Novartis, Pfizer, Sanofi, and UCB; payment or honoraria from Abbvie, Jannsen, Novartis, Pfizer, and UCB; support for attending meetings from Sandoz, Abbvie, Pfizer, and Novartis; and stock or stock options from Clarius. The authors have indicated that they have no other conflicts of interest regarding the content of this article.