Affiliation: | 1. Department of Pathology and Laboratory Medicine, Dartmouth Hitchcock Medical Center and Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA;2. Department of Pulmonary and Critical Care Medicine and of Genetics, Brigham and Women''s Hospital, Harvard Medical School, Boston, MA 02115, USA;3. Department of Pathology and Microbiology, University of Nebraska Medical Center, 983135 Nebraska Medical Center, Omaha, NE 68198-3135, USA |