1. Departments of 1Internal Medicine,
2. Research Service and
3. Chemistry and
4. Molecular Genetics, Biochemistry and Microbiology, University of Cincinnati and
5. Medical Service, VA Medical Center, Cincinnati, Ohio;
6. Departments of Internal Medicine and Pathology and Microbiology, University of Nebraska Medical Center College of Medicine, Omaha and
7. Research Service, VA Medical Center, Omaha, Nebraska