Multi-national observational study to assess quality of life and treatment preferences in patients with Crohn's perianal fistulas.

"Conflict-of-interest statement: CK is an employee and shareholder of Takeda Pharmaceuticals. AA is an employee of Trinity Life Sciences, commissioned by Takeda Pharmaceuticals to conduct this study. VA is an employee of Trinity Life Sciences, commissioned by Takeda Pharmaceuticals to conduct this study. GH is an employee and shareholder of Takeda Pharmaceuticals. PG is an employee and shareholder of Takeda Pharmaceuticals. KL has served on advisory boards for Takeda Pharmaceuticals. SM is an employee and shareholder of Takeda Pharmaceuticals. MP has no conflicts of interest to disclose. LR has served on advisory boards for Roche and Takeda Pharmaceuticals. MSS has nothing to disclose. AS is an employee of Trinity Life Sciences, commissioned by Takeda Pharmaceuticals to conduct this study. AY is an employee of Takeda Pharmaceuticals. PT has received speaker’s fees from Ferring and Takeda Pharmaceuticals and served on advisory boards for Takeda Pharmaceuticals."

"Author contributions: Karki C, Athavale A, Abilash V, Hantsbarger G, Geransar P, Lee K, Milicevic S, Perovic M, Raven L, Sajak-Szczerba M, Silber A, Yoon A, and Tozer P contributed to the conceptualization of the study; Athavale A, Abilash V, and Silber A contributed to the data curation; Athavale A, Abilash V, and Silber A contributed to the formal analysis; Karki C contributed to the funding acquisition; Karki C, Athavale A, Abilash V, and Silber A contributed to the investigation; Karki C, Athavale A, Abilash V, Hantsbarger G, and Tozer P performed the methodology; Athavale A, Abilash V, and Silber A contributed to the project administration; Karki C and Athavale A contributed to the resourcing; Athavale A provided software expertise; Karki C and Athavale A contributed to the supervision of the study; Athavale A, Abilash V, Hantsbarger G, Geransar P, Lee K, Milicevic S, Perovic M, Raven L, Sajak-Szczerba M, Silber A, Yoon A, and Tozer P contributed to the validation; Athavale A, Abilash V, and Silber A contributed to the visualization; Karki C, Athavale A, Abilash V, Hantsbarger G, Geransar P, Lee K, Milicevic S, Perovic M, Raven L, Sajak-Szczerba M, Silber A, Yoon A, and Tozer P contributed to the writing, review, and editing of the manuscript."