1. Departments of Medicine
2. Campbell University School of Pharmacy, Buies Creek, North Carolina
3. and Pharmacy, Duke University Medical Center, Durham and
4. Division of Infectious Diseases, Department of Internal Medicine, Center for the Study of Emerging and Re-emerging Pathogens, University of Texas—Houston Medical School, Houston, Texas
5. AstraZeneca Pharmaceuticals, Alderley House, Macclesfield, Cheshire, United Kingdom