?:authorAffiliation
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[\'Department of Medicine, Division of Pulmonary, Allergy and Critical Care, Duke University, Durham, NC.\', \'Department of Medicine, Division of Pulmonary and Critical Care, University of California, San Diego, CA.\', \'Department of Medicine, Division of Pulmonary and Critical Care, Emory University, Atlanta, GA.\', \'Department of Medicine, Division of Pulmonary and Critical Care, Virginia Commonwealth University, Richmond, VA.\', \'Department of Medicine, Division of Pulmonary and Critical Care, University of Michigan, Ann Arbor, MI.\', \'Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, NC.\', \'Department of Otolaryngology- Head and Neck Surgery, University of Michigan, Ann Arbor, MI.\', \'Global Tracheostomy Collaborative, Raleigh, NC.\']
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