Reply to Gan et al., to Calzetta et al., and to Poor

Affiliations

• ¹ South Texas Veterans Health Care System, San Antonio, Texas.
• ² University of Texas Health, San Antonio, Texas.
• ³ Division of Pulmonary and Critical Care, University of California Los Angeles, Los Angeles, California.
• ⁴ Midwest Chest Consultants, PC, St. Charles, Missouri.
• ⁵ Verona Pharma Plc, London, United Kingdom and Raleigh, North Carolina.
• ⁶ StatMind AB, Lund, Sweden; and.
• ⁷ Division of Pulmonary and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.