Authors' Affiliations: 1Department of Pathology and Lab Medicine, David Geffen School of Medicine, 2Department of Environmental Health Science, Fielding School of Public Health, 3Department of Microbiology, Immunology, and Molecular Genetics, University of California; 4Division of Gastroenterology, Cedars-Sinai Medical Center, Los Angeles; 5Department of Plant Pathology and Microbiology, University of California, Riverside, California; and 6Department of Microbial Ecology, Faculty of Life Sciences, University of Vienna, Vienna, Austria(2013-07-15時点)