1 Clinical Research Division, Fred Hutchinson Cancer Center, 1100 Fairview Avenue N, Mailstop M2-B230, Seattle, WA 98105, USA; Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA, USA. Electronic address: gcheng2@fredhutch.org.
2 Division of Infectious Diseases, University of Louisville, 324 East Main Street Unit 513, Louisville, KY 40202, USA; Norton Infectious Diseases Institute, Norton Healthcare, Louisville, Kentucky, USA. Electronic address: j.ramirez@louisville.edu.
3 Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, Emory University, 615 Michael Street, Suite 205, Atlanta, GA 30322, USA. Electronic address: bashar.staitieh@emory.edu.
4 Department of Pulmonary Medicine, University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit 1462, Houston, TX 77030, USA. Electronic address: seevans@mdanderson.org.