Comparison of serious inhaler technique errors made by device-naïve patients using three different dry powder inhalers : a randomised, crossover, open-label study

Acknowledgments We thank Sandra Kreuzaler, Clinical Studies Lead, and Anu Kemppinen for their assistance in coordinating the study. We are grateful to the Principal Investigators and staff at the study sites (listed in Additional file 3) for their contributions to the study. We acknowledge Adam Brady for development and preparation of the randomisation programme and study electronic case report form. Medical writing and editorial assistance was provided by Elizabeth V. Hillyer, DVM, ELS, Consultant to Research in Real-Life, and by Delia Randall, PhD, supported by Research in Real-Life.Peer reviewedPublisher PD