1 University of Pittsburgh Lung Transplant Research Center, Pittsburgh, Pennsylvania; Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Division of Pulmonary, Allergy and Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
2 University of Pittsburgh Lung Transplant Research Center, Pittsburgh, Pennsylvania; Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Division of Pulmonary, Allergy and Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania. Electronic address: mcdyerjf@upmc.edu.