1 Department of Dermatology, University of Michigan Medical School, University of Michigan, Ann Arbor, Michigan.
2 University of Michigan Medical School, Ann Arbor, Michigan.
3 Department of Pathology, Division of Infectious Diseases, University of Michigan Medical School, University of Michigan, Ann Arbor, Michigan.
4 Department of Internal Medicine, Division of Infectious Diseases, University of Michigan School of Medicine, University of Michigan, Ann Arbor, Michigan.