1. Department of Laboratory Medicine Shinshu University Hospital Matsumoto Japan
2. Life Science Research Centre Nagano Children's Hospital Azumino Japan
3. Division of Blood Transfusion Shinshu University Hospital Matsumoto Japan
4. Centre for Advanced Cell Therapy Shinshu University Hospital Matsumoto Japan
5. Department of Laboratory Medicine Nagano Children's Hospital Azumino Japan
6. Department of Haematology and Oncology Nagano Children's Hospital Azumino Japan
7. Department of Paediatrics Shinshu University School of Medicine Matsumoto Japan