1 Department of Emergency Medicine, University of Wisconsin, Madison, WI, USA; Emergency Department, William S. Middleton Memorial Veterans Hospital, Madison, WI, USA. Electronic address: dmresop@medicine.wisc.edu.
2 Emergency Medicine, VA Greater Los Angeles Healthcare System, Los Angeles, California, USA; Department of Emergency Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California, USA. Electronic address: zahir.basrai@va.gov.
3 Vanderbilt University Medical Center, Department of Emergency Medicine, Nashville, TN, USA; VA Tennessee Valley Healthcare System-Nashville, Department of Emergency Medicine, Nashville, TN, USA. Electronic address: jeremy.s.boyd@vumc.org.
4 Atlanta VA Medical Center, Medicine Service, Atlanta, GA, USA; Emory School of Medicine, Division of Hospital Medicine, Atlanta, GA, USA. Electronic address: Jason.Williams26@va.gov.
5 South Texas Veterans Health Care System, Medicine Service, San Antonio, TX, USA; University of Texas Health San Antonio, Division of Hospital Medicine, San Antonio, TX, USA. Electronic address: Robert.Nathanson@va.gov.
6 South Texas Veterans Health Care System, Research Service, San Antonio, TX, USA. Electronic address: Michael.Mader2@va.gov.
7 South Texas Veterans Health Care System, Medicine Service, San Antonio, TX, USA; University of Texas Health San Antonio, Division of Hospital Medicine, San Antonio, TX, USA. Electronic address: haro@uthscsa.edu.
8 Healthcare Analysis and Information Group, Department of Veterans Affairs, Milwaukee, WI, USA. Electronic address: brandy.drum@va.gov.
9 Healthcare Analysis and Information Group, Department of Veterans Affairs, Milwaukee, WI, USA. Electronic address: edward.obrien3@va.gov.
10 Department of Pulmonary, Critical Care and Sleep Medicine, The George Washington University, Washington, DC, USA; Pulmonary and Critical Care Medicine, Veterans Affairs Medical Center, Washington, DC, USA. Electronic address: rahul.khosla@va.gov.
11 Vanderbilt University Medical Center, Department of Emergency Medicine, Nashville, TN, USA; VA Tennessee Valley Healthcare System-Nashville, Department of Emergency Medicine, Nashville, TN, USA. Electronic address: Brian.bales@vumc.org.
12 Pulmonary Section, Minneapolis Veterans Affairs Health Care System, Minneapolis, MN, USA; Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, University of Minnesota, Minneapolis, MN, USA. Electronic address: racix001@umn.edu.
13 Medicine Service, VA NY Harbor Healthcare System, New York, USA; Division of Pulmonary, Critical Care, and Sleep Medicine, New York University Grossman School of Medicine, NY, New York, USA. Electronic address: harald.sauthoff@nyulangone.org.
14 VA Pittsburgh Health Care Systems, Critical Care Service, Pittsburgh, PA, USA; University of Pittsburgh, Departments of Critical Care Medicine and Emergency Medicine, Pittsburgh, PA, USA. Electronic address: christopher.schott@va.gov.
15 South Texas Veterans Health Care System, Medicine Service, San Antonio, TX, USA; University of Texas Health San Antonio, Division of Hospital Medicine, San Antonio, TX, USA; University of Texas Health San Antonio, Division of Pulmonary Diseases & Critical Care Medicine, San Antonio, TX, USA. Electronic address: sonin@uthscsa.edu.