Reply to Hassoun et al

Affiliations

• ¹ Division of Pulmonary, Critical Care and Sleep Medicine, University of California, San Diego.
• ² Brigham and Women's Hospital and Harvard Medical School, and Harvard Pilgrim Health Care Institute, Boston, Massachusetts.
• ³ Department of Critical Care Medicine, Queens University, Kingston, Ontario, Canada.
• ⁴ Division of Pulmonary and Critical Care Medicine, University of Connecticut School of Medicine, Farmington; and.
• ⁵ Department of Internal Medicine, Division of Infectious Diseases, University of Nebraska Medical Center, Omaha.