1. Kanto-Koshin-etsu Block Blood Center, Tokyo, Japan
2. Central Blood Institute, Japanese Red Cross Blood Service Headquarters, Tokyo, Japan
3. Japanese Red Cross Blood Service Headquarters, Tokyo, Japan
4. Japanese Red Cross Kinki Cord Blood Bank, Osaka, Japan
5. Japanese Red Cross Hokkaido Cord Blood Bank, Sapporo, Japan
6. Tokai University Cord Blood Bank, Isehara, Japan
7. Central Japan Cord Blood Bank, Seto, Japan
8. Hyogo Cord Blood Bank, Kobe, Japan
9. Japanese Red Cross Kyushu Cord Blood Bank, Chikushino, Japan
10. Division of Endocrinology, Diabetes and Metabolism, Hematology, Rheumatology (Second Department of Internal Medicine), Graduate School of Medicine, University of the Ryukyus, Nishihara, Japan
11. Japanese Red Cross Kanto-Koshin-etsu Cord Blood Bank, Tokyo, Japan
12. Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, Nagoya, Japan
13. Department of Promotion for Blood and Marrow Transplantation, Aichi Medical University School of Medicine, Nagakute, Japan