title: The need to further understand who gets hospitalized for a COPD exacerbation.
authors.affiliation: South Texas Veterans Health Care System, Audie L, Murphy Division; Department of Medicine, Division Pulmonary/Critical Care Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA. masellicacer@uthscsa.edu.
authors.forename: Diego J
authors.initials: DJ
authors.lastname: Maselli
authors.forename: Antonio
authors.initials: A
authors.lastname: Anzueto