Sao Paulo, BR: University of Campinas
Los Angeles, CA: University of Southern California - Children's Hospital of LA
Oakland, CA: Children's Hospital of Oakland
San Francisco, CA: University of California at San Francisco, San Francisco General Hospital, Comprehensive Sickle Center
Stanford, CA: Stanford University
Denver, CO: University of Colorado, Sickle Cell Research & Treatment Center
New Haven, CT: Yale University
Washington, DC: Children's Hospital National Medical Center, George Washington University, Howard University
Miami, FL: University of Southern Florida
Gainsville, FL: University of Southern Florida
St. Petersburg, FL: University of South Flortida All Children's Hospital
Cretell, FR: Hopital Henri Mondor
Atlanta, GA: Emory University and Grady Memorial Hospital
Augustin, GR: University of Bonn
Chicago, IL: University of Illinois
Indianapolis, IN: Indiana University
New Orleans, LA: Tulane University
Boston, MA: Dana Farber Cancer Institute, Children's Hospital, Harvard University, Boston Comprehensive Sickle Center
St. Louis, MO: Cardinal Glennon Children's Hospital of St. Louis
Chapel Hill, NC: University of North Carolina
Columbia, NC: Richland Memorial Hospital
Durham, NC: Duke University
Hackensack, NJ: Hackensack Medical Center
New York, NY: Methodist Hospital
Toronto, ON: Hospital for Sick Children
Philadelphia, PA: Children's Hospital of Philadelphia, University of PA
Dallas, TX: University of Texas, Southwestern Medical Center at Dallas
Houston, TX: MD Anderson Cancer, University of Texas
Birmingham,UK: The Birmingham Children's Hospital NHS
London, UK: Royal Postgraduate Medical School: Hammersmith Hospital
Seattle, WA: University of Washington, Fred Hutchinson Cancer research Center
Milwaukee, WI: Medical College of Wisconsin, Midwest Children's Cancer Center
