1. Laboratory of Host Defenses,
National Institute of Allergy and Infectious Diseases,
National Institutes of Health,
Bethesda, MD 20892, USA
2. Department of Epidemiology
School of Hygiene and Public Health
Johns Hopkins University
Baltimore, MD 21205, USA
3. Computer Sciences Corporation
Rockville, MD 20850, USA
4. Division of Cancer Epidemiology
and Genetics
National Cancer Institute
National Institutes of Health
5. Laboratory of Viral Diseases
National Institute of Allergy
and Infectious Diseases
6. Laboratory of Parasitic Diseases
National Institute of Allergy
and Infectious Diseases
and School of Medicine
Case Western Reserve University
Cleveland, OH 44106, USA
7. Laboratory of Host Defenses
National Institute of Allergy
and Infectious Diseases, and
Laboratoire d'Immunologie
Cellulaire et Tissulaire
Centre National de la
Recherche Scientifique
F-75877 Paris, France
8. Department of Transfusion Medicine
Warren Grant Magnuson Clinical Center
National Institutes of Health
9. Department of Epidemiology
University of Alabama at Birmingham
Birmingham, AL 35294, USA
10. Division of Cancer Epidemiology
and Genetics
National Cancer Institute
11. Division of Cancer Epidemiology
and Genetics
National Cancer Institute
12. Laboratory of Host Defenses
National Institute of Allergy
and Infectious Diseases
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