Affiliation: | a Center for Health Services Research, Henry Ford Health System, Detroit, Mich b Department of Internal Medicine, Henry Ford Health System, Detroit, Mich c Department of Public Health Sciences, Henry Ford Health System, Detroit, Mich d Division of Allergy and Immunology, Children’s Memorial Hospital, Chicago, Ill e Department of Medicine, University of California San Francisco, San Francisco, Calif f Department of Biopharmaceutical Sciences, University of California San Francisco, San Francisco, Calif g Research Triangle Institute-Health Solutions, Barcelona, Spain |