1. Immunotherapy Program, Stanley S. Scott Cancer Center, Louisiana State University Medical Center, New Orleans, Louisiana 701121;
2. National Cancer Institute-Frederick Cancer Research and Development Center/Science Applications International Corporation, Frederick, Maryland 217022;
3. Fundacion CIDEIM, A.A. 5390,3 and
4. Servicio de Dermatologı́a, Hospital Universitario del Valle,4 Cali, Colombia;
5. Department of Microbiology/Immunology, University of Miami, Miami, Florida 331365;
6. National Institute on Aging, National Institutes of Health, Baltimore, Maryland 212246; and
7. Data Management Services, Inc., Frederick Cancer Research and Development Center, Frederick, Maryland 217027