1. Department of Laboratory Medicine; Nagano Children's Hospital; Azumino Japan
2. Life Science Research Center; Nagano Children's Hospital; Azumino Japan
3. Division of Blood Transfusion; Shinshu University Hospital; Matsumoto Japan
4. Center for Advanced Cell Therapy; Shinshu University Hospital; Matsumoto Japan
5. Department of Hematology/Oncology; Nagano Children's Hospital; Azumino Japan
6. Department of Regenerative Medicine; Kanazawa Medical University; Uchinada-Cho Kahoku-Gun Japan
7. Division of Neonatology; Nagano Children's Hospital; Azumino Japan