Affiliation: | (1) VA Western New York Health Care System, Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Western New York Respiratory Research Center, Buffalo, NY, USA;(2) Department of Social and Preventive Medicine, State University of New York at Buffalo School of Medicine and Biomedical Sciences, Buffalo, NY, USA;(3) Division of Pulmonary and Critical Care Medicine, Department of Medicine, Truman Medical Center, Hospital Hill, University of Missouri at Kansas City, Kansas City, MO, USA;(4) Medical Research, VA Western New York Health Care System, Bldg. 20 (151) VISN02 3495 Bailey Avenue, Buffalo, NY 14215-1199, USA |