title: Editors' Introduction to "Ultrasound Reflections".
authors.affiliation: 1 Division of Pulmonary Diseases, Critical Care, and Occupational Medicine, University of Iowa, Iowa City, Iowa; and.
authors.forename: Gregory A
authors.initials: GA
authors.lastname: Schmidt
authors.affiliation: 2 Department of Medicine, University of Illinois at Chicago, Chicago, Illinois.
authors.forename: Dean E
authors.initials: DE
authors.lastname: Schraufnagel