Response

Affiliations

• ¹ Divison of Pulmonary and Critical Care Medicine, Froedtert and Medical College of Wisconsin, Milwaukee, WI. Electronic address: [email protected].
• ² Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA.
• ³ Section of Pulmonary and Critical Care, University of Chicago, Chicago, IL.
• ⁴ Department of Pulmonary Disease Service, Henry Ford Hospital, Detroit, MI.
• ⁵ Division of Pulmonary Diseases, Critical Care and Occupational Medicine, University of Iowa, Iowa City, IA.