Affiliation: | (1) Department of Immunology, Research Institute of Scripps Clinic, 92037 La Jolla, California, USA;(2) Division of Biology, California Institute of Technology, 91125 Pasadena, California, USA;(3) Department of Human Genetics, University of Michigan Medical School, 48109 Ann Arbor, Michigan, USA;(4) Department of Medicine, Children's Hospital Medical Center, Division of Cell Biology, 02115 Boston, Massachusetts, USA;(5) Wellcome Research Laboratories, Langley Court, BR3 3BS Beckenham, Kent, United Kingdom |