Brigham & Women's Hospital, Boston, Massachusetts, United States
Children's Hospital of Boston, Boston, Massachusetts, United States
Children's Hospital Oakland, Oakland, California, United States
Hospital Gabriel Toure, Bamako, Mali
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
Howard University Hospital, Washington, District of Columbia, United States
Medical College of Georgia - Georgia Prevention Institute, Augusta, Georgia, United States
Richmond County Board of Education Public Schools, Augusta, Georgia, United States
Williams LifeSkills, Durham, North Carolina, United States
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
Amosov Institute of Cardiovascular Surgery, Kyiv, Ukraine
Republican Scientific and Clinical Cardiology Center, Republic of Belarus, Belarus
Baylor College of Medicine, Houston, Texas, United States
Childrens National Medical Center, Washington, District of Columbia, United States
Howard University Hospital, Washington, District of Columbia, United States
University of Colorado, Denver, Colorado, United States
University of Illinois at Chicago, Chicago, Illinois, United States
Imperial College London and Hammersmith Hospital, London, United Kingdom
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
Suburban Hospital, Bethesda, Maryland, United States
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
University of Arizona College of Medicine, Tucson, Arizona, United States
Los Angeles, Kaiser Permanente Allergy Department, Los Angeles, California, United States
University of Wisconsin - Madison, Madison, Wisconsin, United States