[1] University of California, San Francisco, CA
[2] Harborview Medical Center, Seattle, WA
[3] St. Joseph’s Hospital, Hamilton, ON
[4] University of Alabama, Birmingham, AL
[5] Indiana University School of Medicine, Indianapolis, IN
[6] Denver Department of Health and Hospitals, Denver, CO
[7] York Hospital, York, PA
[8] Providence Hospital and Medical Centers, Southfield, MI
[9] University of Uppsala, Uppsala
[10] State University of New York Health Science Center, Brooklyn, NY
[11] National Institute of Allergy and Infectious Diseases, National Institutes of Health, Baltimore, MD
[12] University College Hospital, London
[13] Clinical Research Centre, Harrow