1. Hematology Department, Hospital Universitario Virgen del Rocío, Instituto de Biomedicina de Sevilla, 41013 Sevilla, Spain
2. Hematology Department, Hospital Son Espases, Palma de Mallorca, 07210 Palma, Spain
3. Hematology Department, Hospital del Mar, 08003 Barcelona, Spain
4. Hematology Department, Hospital Universitario La Paz-IdiPAZ, Universidad Autónoma de Madrid, 28046 Madrid, Spain
5. Hematology Department, Hospital de Ávila, 05004 Ávila, Spain
6. Hematology Department, Hospital Central de Asturias, 33011 Oviedo, Spain
7. Hematology Department, Hospital Universitario de la Plana, 12540 Villarreal, Spain
8. Hematology Department, Hospital Clínico San Carlos, IML, IdISSC, 28040 Madrid, Spain
9. Hematology Department, Instituto de Investigación Hospital Universitario La Paz (IdiPAZ), 28046 Madrid, Spain
10. Hematology Department, Hospital Universitario Miguel Servet, 50009 Zaragoza, Spain
11. Hematology Department, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain
12. Hematology Department, Hospital Universitario Virgen de las Nieves, 18014 Granada, Spain
13. Hematology Department, Complejo Hospitalario Universitario Insular Materno-Infantil, 35016 Las Palmas de Gran Canaria, Spain
14. Hematology Department, Hospital Universitario Río Hortega, Gerencia Regional de Salud de Castilla y León, 47012 Valladolid, Spain
15. Hematology Department, Hospital General de la Coruña, 15006 A Coruña, Spain
16. Hematology Department, Hospital Universitario de Burgos, 09006 Burgos, Spain
17. Hematology Department, Clínica Universidad de Navarra, 28022 Madrid, Spain
18. Hematology Department, Hospital Universitario de Araba, 01009 Vitoria-Gasteiz, Spain
19. Hematology Department, Hospital Universitario y Politécnico La Fe, 46026 Valencia, Spain
20. Hematology Department, Hospital Serranía de Ronda, 29400 Ronda, Spain
21. Hematology Department, Complejo Hospitalario Universitario de Vigo, 36312 Vigo, Spain
22. Hematology Department, Complejo Asistencial Universitario de León, 24008 León, Spain
23. Pediatric Department, Hospital Universitario y Politécnico La Fe, 46026 Valencia, Spain
24. Hematology Department, Clínica Universidad de Navarra, 31008 Pamplona, Spain
25. Hematology Department, Hospital Universitario de Gran Canaria Doctor Negrín, 35010 Las Palmas de Gran Canaria, Spain
26. Hematology Department, Vall d’Hebron Instituto de Oncología (VHIO), Universitat Autònoma de Barcelona, 08035 Barcelona, Spain
27. Hematology Department, Hospital General Universitario Gregorio Marañón (HGUGM) Madrid, Instituto de Investigación Gregorio Marañón, 28007 Madrid, Spain
28. Spanish Immune Thrombocytopenia Group, 28040 Madrid, Spain