1. Department of Hematology; Sapporo Hokuyu Hospital; Sapporo Japan
2. Department of Hematology; Kushiro Rosai Hospital; Kushiro Japan
3. Department of Hematology; Sapporo City General Hospital; Sapporo Japan
4. Department of Hematology; Hakodate Municipal Hospital; Hakodate Japan
5. Department of Hematology; Asahikawa Medical University; Asahikawa Japan
6. Department of Hematology/Oncology; Asahikawa Kosei Hospital; Asahikawa Japan
7. Faculty of Medicine and Graduate School of Medicine; Department of Hematology; Hokkaido University; Sapporo Japan
8. Department of Hematology; Japanese Red Cross Asahikawa Hospital; Asahikawa Japan
9. Department of Hematology; Teine Keijinkai Hospital; Sapporo Japan
10. Department of Hematology; Aiiku Hospital; Sapporo Japan
11. Department of Hematology; Tenshi Hospital; Sapporo Japan
12. Department of Hematology; Sapporo Medical University; Sapporo Japan
13. Department of Hematology; Steel Memorial Muroran Hospital; Muroran Japan
14. Department of Hematology; Tonan Hospital; Sapporo Japan
15. Department of Pediatrics; Sapporo Medical University; Sapporo Japan
16. Department of Pediatrics; Asahikawa Medical University; Asahikawa Japan
17. Department of Pediatrics; Japanese Red Cross Asahikawa Hospital; Asahikawa Japan
18. Department of Hematology/Oncology for Children and Adolescent; Sapporo Hokuyu Hospital; Sapporo Japan
19. Department of Hematology and Oncology; NTT East Japan Sapporo Hospital; Sapporo Japan
20. Department of Hematology; Kin-ikyo Chuo Hospital; Sapporo Japan
21. Department of Hematology; Higashisapporo Hospital; Sapporo Japan
22. Department of Hematology; Asahikawa City Hospital; Asahikawa Japan
23. Department of Hematology; Obihiro Kosei Hospital; Obihiro Japan
24. Palliative Care Center; Sapporo Kosei Hospital; Sapporo Japan
25. Department of Hematology; Hokkaido Cancer Center; Sapporo Japan