Dijk, LarsKerkhof, MarjanDriessen, MerijnGerritsma, Yoran H.Bosnic-Anticevich, SinthiaCorreia-De-Sousa, JaimeDekhuijzen, P. N.RichardLeving, MarikaPrice, David B.Tsiligianni, IoannaUsmani, OmarKerstjens, Huib A.M.Kocks, Janwillem W.H.2024-02-222024-02-222023-12-22Dijk, L, Kerkhof, M, Driessen, M, Gerritsma, Y H, Bosnic-Anticevich, S, Correia-De-Sousa, J, Dekhuijzen, P N R, Leving, M, Price, D B, Tsiligianni, I, Usmani, O, Kerstjens, H A M & Kocks, J W H 2023, 'Does mixing inhaler devices lead to unchecked inhaler technique errors in patients with COPD? Findings from the cross-sectional observational MISMATCH study', BMJ Open Respiratory Research, vol. 10, no. 1, e001821. https://doi.org/10.1136/bmjresp-2023-0018212052-4439https://hdl.handle.net/2164/22824Funding Information: The members of the MISMATCH study group would like to acknowledge Titia Klemmeijer (founder of the IMIS foundation; 'Inhalatie Medicatie Instruction School') for her assistance in formulating the list of additional errors, and Chantal Arling, Thomas le Rutte & Landy Torre for their time and efforts to perform the reassessments of the video recordings. Finally, they would like to thank the participants who generously gave their time to participate in the PIFotal study and provided informed consent to use their video/data for future research. This work was supported by Chiesi Pharmaceuticals. The PIFotal study was cofunded by Boehringer Ingelheim.11807242engRC Internal medicinePulmonary and Respiratory MedicineRCJournal article10.1136/bmjresp-2023-001821http://www.scopus.com/inward/record.url?scp=85181177134&partnerID=8YFLogxK101