1. Dana-Farber/Boston Children’s Cancer and Blood Disorder Center, Boston, MA;
2. Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy;
3. Universitair Medisch Centrum Utrecht, Utrecht, The Netherlands;
4. Schwerpunktpraxis für Pädiatrische Hämatologie-Onkologie, Munich, Germany;
5. Lucile Packard Children’s Hospital, Stanford University, Palo Alto, CA;
6. Primary Children’s Hospital, University of Utah, Salt Lake City, UT;
7. Texas Children’s Hematology Center, Baylor College of Medicine, Houston, TX;
8. Duke University Medical Center, Durham, NC;
9. Children’s Mercy Hospital, Kansas City, MO;
10. University of Mississippi Medical Center, Jackson, MS;
11. Yale University School of Medicine, New Haven, CT;
12. Central Pennsylvania Clinic for Special Children and Adults, Belleville, PA;
13. Lancaster General Hospital, Lancaster, PA;
14. St. Jude Children’s Research Hospital, Memphis, TN;
15. Emory University School of Medicine, Aflac Cancer and Blood Disorders Center, Children’s Healthcare of Atlanta, Atlanta, GA;
16. Klinikum Kassel GmbH, Kassel, Germany;
17. Phoenix Children’s Hospital, Phoenix, AZ;
18. University of Toronto, University Health Network, Toronto, ON, Canada;
19. Children’s Hospital of Pennsylvania and Perelman School of Medicine of the University of Pennsylvania, Philadelphia, PA;
20. Fakultni Nemocnice Olomouc, Olomouc, Czech Republic;
21. Centre Hospitalier Universitaire Sainte-Justine, Montreal, QC, Canada;
22. Ann and Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL;
23. University of Massachusetts Memorial Children’s Medical Center, Worcester, MA;
24. Children’s Hospital of Michigan, Wayne State University School of Medicine, Detroit, MI;
25. Division of Pediatric Hematology and Oncology, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany;
26. DDC Clinic for Special Needs Children, Middlefield, OH;
27. Charite, Berlin, Germany;
28. McMaster University, Hamilton, ON, Canada;
29. Zentrum für Kunder-und Jugendmedizin, Heidelberg, Germany;
30. Weill Cornell Medical College, New York Presbyterian Hospital, New York, NY;
31. Nationwide Children’s Hospital, The Ohio State University College of Medicine, Columbus, OH; and
32. The University of Vermont Children’s Hospital, Burlington, VT