Leving, MarikaWouters, Hansde la Hoz, AlbertoBosnic-Anticevich, SinthiaDekhuijzen, RichardGardev, AsparuhLavorini, FedericoMeijer, JiskaPrice, DavidRodríguez, Miguel RománTsiligianni, IoannaUsmani, OmarWijnsma, BirgitKocks, Janwillem2021-09-202021-09-202021-12-01Leving, M, Wouters, H, de la Hoz, A, Bosnic-Anticevich, S, Dekhuijzen, R, Gardev, A, Lavorini, F, Meijer, J, Price, D, Rodríguez, M R, Tsiligianni, I, Usmani, O, Wijnsma, B & Kocks, J 2021, 'Impact of PIF, Inhalation Technique and Medication Adherence on Health Status and Exacerbations in COPD : Protocol of a Real-World Observational Study (PIFotal COPD Study)', Pulmonary Therapy, vol. 7, no. 2, pp. 591-606. https://doi.org/10.1007/s41030-021-00172-72364-1746RIS: urn:370D686A4EECEAE4DFFD391CFBFD7808RIS: Leving2021https://hdl.handle.net/2164/17106Acknowledgements The authors thank Evgeni Dvortsin for his valuable contribution in the initial development of the project. Funding. This study was co-funded by Boehringer Ingelheim and GPRI. The study sponsor is GPRI, who will also be performing the data collection and analysis. Boehringer Ingelheim is the funding and scientific partner, and is funding the journal’s Rapid Service fee.16835083engChronic airways diseaseRespiratory medicinePrimary careQuality in healthcareProtocols and guidelinesR MedicineRJournal article10.1007/s41030-021-00172-7http://www.scopus.com/inward/record.url?scp=85115050993&partnerID=8YFLogxK72