10.6084/m9.figshare.8957567.v1 Sheree Smith Sheree Smith Stephen Jan Stephen Jan Joseph Descallar Joseph Descallar Guy Marks Guy Marks Additional file 1: of An investigation of methods to improve recall for the patient-reported outcome measurement in COPD patients: a pilot randomised control trial and feasibility study protocol Springer Nature 2019 Patient-reported outcomes Recall bias Patient-reported outcome measurement 2019-07-19 04:16:52 Journal contribution https://springernature.figshare.com/articles/journal_contribution/Additional_file_1_of_An_investigation_of_methods_to_improve_recall_for_the_patient-reported_outcome_measurement_in_COPD_patients_a_pilot_randomised_control_trial_and_feasibility_study_protocol/8957567 Informed consent materials. (DOC 110 kb)