1. From the University of Michigan Medical Center, Ann Arbor, MI; Memorial Sloan-Kettering Cancer Center and Cornell University Medical College, New York, NY; University of Washington Medical Center and Corixa Corporation, Seattle, WA; University of Alabama, Birmingham, AL; Kaiser Northern California, Vallejo; Stanford University Medical Center, Stanford, CA; University of Nebraska Medical Center, Omaha, NE; and St Bartholomew’s Hospital, London, United Kingdom.