1. Department of Medicine, University of Washington School of Medicine, Seattle, Wash., and the USPHS Hospital, Seattle, Wash.
2. supported by Research Career Program Award K6-A1-2425 from the National Institute of Allergy and Infectious Diseases, NIH, USPHS.
3. Medical Genetics.
4. Department of Medicine.
5. VA West Side Hospital, Chicago, Ill.; fornserly Assistant Professor of Medicine.
6. Medicine and Genetics.