Opioid therapy for refractory dyspnea in patients with advanced chronic obstructive pulmonary disease: patients’ experiences and outcomes

Online Appendices

Files in this Data Supplement:

• Appendix 1: Eligibility checklist
• Reviewer comments
• Original submission
• Appendix 2: Flow of patients through the trial.
• Appendix 3: Patient guide
• Appendix 4: Patient status and demographics form
• Appendix 5: Preliminary interview guides
• Appendix 6: Timelines
• Appendix 7: Clinical implications and lessons learned
• Appendix 8: Placebo effect?