New England Sickle Cell Institute, University of Connecticut, Farmington, Connecticut, United States
Johns Hopkins All Children's Hospital, Saint Petersburg, Florida, United States
Emory University School of Medicine, Atlanta, Georgia, United States
Haukeland University Hospital, Bergen, Norway
Haukeland University Hospital, Bergen, Norway
American Red Cross Mid-Atlantic Research Facility, Norfolk, Virginia, United States
Hoxworth Blood Center, University of Cincinnati, Cincinnati, Ohio, United States
American Red Cross Mid-Atlantic Research Facility, Norfolk, Virginia, United States
Hoxworth Blood Center, University of Cincinnati, Cincinnati, Ohio, United States
Blood Center of Wisconsin, Milwaukee, Wisconsin, United States