1. Tufts Medical Center , Boston, Massachusetts, USA
2. Tufts University School of Medicine and the Stuart B. Levy Center for the Integrated Management of Antimicrobial Resistance , Boston, Massachusetts, USA
3. Kindred Health Care System , Rancho Cucamonga, California, USA
4. Mayo Clinic School of Medicine and Science , Rochester, Minnesota, USA
5. Edward Hines, Jr. VA Hospital , Hines, Illinois, USA
6. Loyola University Medical Center , Maywood, Illinois, USA
7. Johns Hopkins University School of Medicine , Baltimore, Maryland, USA
8. University of Houston College of Pharmacy , Houston, Texas, USA
9. Summit (Oxford) Ltd , Abingdon, United Kingdom
10. Montana State University , Bozeman, Montana, USA
11. Johns Hopkins Hospital , Baltimore, Maryland, USA