Vol. 200, No. 6, September 20, 2004. Pages 771–782.
Dr. Shimon Sakaguchi was inadvertently excluded as an author on the article. His affiliations appear below.
Department of Experimental Pathology, Institute for Frontier Medical Sciences, Kyoto University, Kyoto 606-8507, Japan
Laboratory for Immunopathology, Institute of Physical and Chemical Research, Research Center for Allergy and Immunology, Yokohama 230-0045, Japan