1. Division of Pulmonary, Allergy, and Critical Care Medicine, Duke University School of Medicine, Durham, North Carolina;
2. Duke Clinical Research Institute, Durham, North Carolina;
3. American Thoracic Society Pulmonary Rehabilitation Reimbursement Working Group (virtual), United States; and
4. Rehabilitation Clinical Trials Center, Lundquist Institute for Biomedical Innovation at Harbor-University of California, Los Angeles (UCLA) Medical Center, Torrance, California